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Wieczorkowski JD, Lehmann CER, Archibald S, Banda S, Goyder DJ, Kaluwe M, Kapinga K, Larridon I, Mashau AC, Phiri E, Syampungani S. Fire facilitates ground layer plant diversity in a Miombo ecosystem. Ann Bot 2024; 133:743-756. [PMID: 38468311 PMCID: PMC11082521 DOI: 10.1093/aob/mcae035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 03/07/2024] [Indexed: 03/13/2024]
Abstract
BACKGROUND AND AIMS Little is known about the response of ground layer plant communities to fire in Miombo ecosystems, which is a global blind spot of ecological understanding. We aimed: (1) to assess the impact of three experimentally imposed fire treatments on ground layer species composition and compare it with patterns observed for trees; and (2) to analyse the effect of fire treatments on species richness to assess how responses differ among plant functional groups. METHODS At a 60-year-long fire experiment in Zambia, we quantified the richness and diversity of ground layer plants in terms of taxa and functional groups across three experimental fire treatments of late dry-season fire, early dry-season fire and fire exclusion. Data were collected in five repeat surveys from the onset of the wet season to the early dry season. KEY RESULTS Of the 140 ground layer species recorded across the three treatments, fire-maintained treatments contributed most of the richness and diversity, with the least number of unique species found in the no-fire treatment. The early-fire treatment was more similar in composition to the no-fire treatment than to the late-fire treatment. C4 grass and geoxyle richness were highest in the late-fire treatment, and there were no shared sedge species between the late-fire and other treatments. At a plot level, the average richness in the late-fire treatment was twice that of the fire exclusion treatment. CONCLUSIONS Heterogeneity in fire seasonality and intensity supports diversity of a unique flora by providing a diversity of local environments. African ecosystems face rapid expansion of land- and fire-management schemes for carbon offsetting and sequestration. We demonstrate that analyses of the impacts of such schemes predicated on the tree flora alone are highly likely to underestimate impacts on biodiversity. A research priority must be a new understanding of the Miombo ground layer flora integrated into policy and land management.
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Affiliation(s)
- Jakub D Wieczorkowski
- School of GeoSciences, The University of Edinburgh, Edinburgh EH8 9XP, UK
- Tropical Diversity, Royal Botanic Garden Edinburgh, Edinburgh EH3 5LR, UK
| | - Caroline E R Lehmann
- School of GeoSciences, The University of Edinburgh, Edinburgh EH8 9XP, UK
- Tropical Diversity, Royal Botanic Garden Edinburgh, Edinburgh EH3 5LR, UK
- Centre for African Ecology, School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Sally Archibald
- Centre for African Ecology, School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Sarah Banda
- Herbarium, Division of Forest Research, Forestry Department, PO Box 22099, Kitwe, Zambia
| | - David J Goyder
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, UK
| | - Mokwani Kaluwe
- Herbarium, Division of Forest Research, Forestry Department, PO Box 22099, Kitwe, Zambia
| | - Kondwani Kapinga
- Dag Hammarskjöld Institute for Peace and Conflict Studies – Environment, Sustainable Development and Peace, Copperbelt University, PO Box 21692, Kitwe, Zambia
| | | | - Aluoneswi C Mashau
- Centre for African Ecology, School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg 2050, South Africa
- Foundational Research and Services, South African National Biodiversity Institute (SANBI), Private Bag X101, Pretoria 0184, South Africa
| | - Elina Phiri
- Herbarium, Division of Forest Research, Forestry Department, PO Box 22099, Kitwe, Zambia
| | - Stephen Syampungani
- Oliver R Tambo Africa Research Chair Initiative for Environment and Development, Copperbelt University, PO Box 21692, Kitwe, Zambia
- Department of Plant and Soil Sciences, University of Pretoria, Private Bag X20, Hatfield, Pretoria 0028, South Africa
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Zuntini AR, Carruthers T, Maurin O, Bailey PC, Leempoel K, Brewer GE, Epitawalage N, Françoso E, Gallego-Paramo B, McGinnie C, Negrão R, Roy SR, Simpson L, Toledo Romero E, Barber VMA, Botigué L, Clarkson JJ, Cowan RS, Dodsworth S, Johnson MG, Kim JT, Pokorny L, Wickett NJ, Antar GM, DeBolt L, Gutierrez K, Hendriks KP, Hoewener A, Hu AQ, Joyce EM, Kikuchi IABS, Larridon I, Larson DA, de Lírio EJ, Liu JX, Malakasi P, Przelomska NAS, Shah T, Viruel J, Allnutt TR, Ameka GK, Andrew RL, Appelhans MS, Arista M, Ariza MJ, Arroyo J, Arthan W, Bachelier JB, Bailey CD, Barnes HF, Barrett MD, Barrett RL, Bayer RJ, Bayly MJ, Biffin E, Biggs N, Birch JL, Bogarín D, Borosova R, Bowles AMC, Boyce PC, Bramley GLC, Briggs M, Broadhurst L, Brown GK, Bruhl JJ, Bruneau A, Buerki S, Burns E, Byrne M, Cable S, Calladine A, Callmander MW, Cano Á, Cantrill DJ, Cardinal-McTeague WM, Carlsen MM, Carruthers AJA, de Castro Mateo A, Chase MW, Chatrou LW, Cheek M, Chen S, Christenhusz MJM, Christin PA, Clements MA, Coffey SC, Conran JG, Cornejo X, Couvreur TLP, Cowie ID, Csiba L, Darbyshire I, Davidse G, Davies NMJ, Davis AP, van Dijk KJ, Downie SR, Duretto MF, Duvall MR, Edwards SL, Eggli U, Erkens RHJ, Escudero M, de la Estrella M, Fabriani F, Fay MF, Ferreira PDL, Ficinski SZ, Fowler RM, Frisby S, Fu L, Fulcher T, Galbany-Casals M, Gardner EM, German DA, Giaretta A, Gibernau M, Gillespie LJ, González CC, Goyder DJ, Graham SW, Grall A, Green L, Gunn BF, Gutiérrez DG, Hackel J, Haevermans T, Haigh A, Hall JC, Hall T, Harrison MJ, Hatt SA, Hidalgo O, Hodkinson TR, Holmes GD, Hopkins HCF, Jackson CJ, James SA, Jobson RW, Kadereit G, Kahandawala IM, Kainulainen K, Kato M, Kellogg EA, King GJ, Klejevskaja B, Klitgaard BB, Klopper RR, Knapp S, Koch MA, Leebens-Mack JH, Lens F, Leon CJ, Léveillé-Bourret É, Lewis GP, Li DZ, Li L, Liede-Schumann S, Livshultz T, Lorence D, Lu M, Lu-Irving P, Luber J, Lucas EJ, Luján M, Lum M, Macfarlane TD, Magdalena C, Mansano VF, Masters LE, Mayo SJ, McColl K, McDonnell AJ, McDougall AE, McLay TGB, McPherson H, Meneses RI, Merckx VSFT, Michelangeli FA, Mitchell JD, Monro AK, Moore MJ, Mueller TL, Mummenhoff K, Munzinger J, Muriel P, Murphy DJ, Nargar K, Nauheimer L, Nge FJ, Nyffeler R, Orejuela A, Ortiz EM, Palazzesi L, Peixoto AL, Pell SK, Pellicer J, Penneys DS, Perez-Escobar OA, Persson C, Pignal M, Pillon Y, Pirani JR, Plunkett GM, Powell RF, Prance GT, Puglisi C, Qin M, Rabeler RK, Rees PEJ, Renner M, Roalson EH, Rodda M, Rogers ZS, Rokni S, Rutishauser R, de Salas MF, Schaefer H, Schley RJ, Schmidt-Lebuhn A, Shapcott A, Al-Shehbaz I, Shepherd KA, Simmons MP, Simões AO, Simões ARG, Siros M, Smidt EC, Smith JF, Snow N, Soltis DE, Soltis PS, Soreng RJ, Sothers CA, Starr JR, Stevens PF, Straub SCK, Struwe L, Taylor JM, Telford IRH, Thornhill AH, Tooth I, Trias-Blasi A, Udovicic F, Utteridge TMA, Del Valle JC, Verboom GA, Vonow HP, Vorontsova MS, de Vos JM, Al-Wattar N, Waycott M, Welker CAD, White AJ, Wieringa JJ, Williamson LT, Wilson TC, Wong SY, Woods LA, Woods R, Worboys S, Xanthos M, Yang Y, Zhang YX, Zhou MY, Zmarzty S, Zuloaga FO, Antonelli A, Bellot S, Crayn DM, Grace OM, Kersey PJ, Leitch IJ, Sauquet H, Smith SA, Eiserhardt WL, Forest F, Baker WJ. Phylogenomics and the rise of the angiosperms. Nature 2024:10.1038/s41586-024-07324-0. [PMID: 38658746 DOI: 10.1038/s41586-024-07324-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 03/15/2024] [Indexed: 04/26/2024]
Abstract
Angiosperms are the cornerstone of most terrestrial ecosystems and human livelihoods1,2. A robust understanding of angiosperm evolution is required to explain their rise to ecological dominance. So far, the angiosperm tree of life has been determined primarily by means of analyses of the plastid genome3,4. Many studies have drawn on this foundational work, such as classification and first insights into angiosperm diversification since their Mesozoic origins5-7. However, the limited and biased sampling of both taxa and genomes undermines confidence in the tree and its implications. Here, we build the tree of life for almost 8,000 (about 60%) angiosperm genera using a standardized set of 353 nuclear genes8. This 15-fold increase in genus-level sampling relative to comparable nuclear studies9 provides a critical test of earlier results and brings notable change to key groups, especially in rosids, while substantiating many previously predicted relationships. Scaling this tree to time using 200 fossils, we discovered that early angiosperm evolution was characterized by high gene tree conflict and explosive diversification, giving rise to more than 80% of extant angiosperm orders. Steady diversification ensued through the remaining Mesozoic Era until rates resurged in the Cenozoic Era, concurrent with decreasing global temperatures and tightly linked with gene tree conflict. Taken together, our extensive sampling combined with advanced phylogenomic methods shows the deep history and full complexity in the evolution of a megadiverse clade.
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Affiliation(s)
| | | | | | | | | | | | | | - Elaine Françoso
- Royal Botanic Gardens, Kew, Richmond, UK
- Centre for Ecology, Evolution and Behaviour, Department of Biological Sciences, School of Life Sciences and the Environment, Royal Holloway University of London, London, UK
| | | | | | | | | | - Lalita Simpson
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | | | | | - Laura Botigué
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, Barcelona, Spain
| | | | | | - Steven Dodsworth
- School of Biological Sciences, University of Portsmouth, Portsmouth, UK
| | | | - Jan T Kim
- School of Physics, Engineering and Computer Science, University of Hertfordshire, Hatfield, UK
| | - Lisa Pokorny
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Biodiversity and Conservation, Real Jardín Botánico (RJB-CSIC), Madrid, Spain
| | - Norman J Wickett
- Department of Biological Sciences, Clemson University, Clemson, SC, USA
| | - Guilherme M Antar
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
- Departamento de Ciências Agrárias e Biológicas, Centro Universitário Norte do Espírito Santo, Universidade Federal do Espírito Santo, São Mateus, Brazil
| | | | | | - Kasper P Hendriks
- Department of Biology, University of Osnabrück, Osnabrück, Germany
- Naturalis Biodiversity Center, Leiden, The Netherlands
| | - Alina Hoewener
- Plant Biodiversity, Technical University Munich, Freising, Germany
| | - Ai-Qun Hu
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Elizabeth M Joyce
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
- Systematic, Biodiversity and Evolution of Plants, Ludwig Maximilian University of Munich, Munich, Germany
| | - Izai A B S Kikuchi
- Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada
| | | | - Drew A Larson
- Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
| | - Elton John de Lírio
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Jing-Xia Liu
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | | | - Natalia A S Przelomska
- Royal Botanic Gardens, Kew, Richmond, UK
- School of Biological Sciences, University of Portsmouth, Portsmouth, UK
| | - Toral Shah
- Royal Botanic Gardens, Kew, Richmond, UK
| | | | | | - Gabriel K Ameka
- Department of Plant and Environmental Biology, University of Ghana, Accra, Ghana
| | - Rose L Andrew
- Botany and N.C.W. Beadle Herbarium, University of New England, Armidale, New South Wales, Australia
| | - Marc S Appelhans
- Department of Systematics, Biodiversity and Evolution of Plants, Albrecht-von-Haller Institute of Plant Sciences, University of Göttingen, Göttingen, Germany
| | - Montserrat Arista
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Seville, Spain
| | - María Jesús Ariza
- General Research Services, Herbario SEV, CITIUS, Universidad de Sevilla, Seville, Spain
| | - Juan Arroyo
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Seville, Spain
| | | | | | - C Donovan Bailey
- Department of Biology, New Mexico State University, Las Cruces, NM, USA
| | - Helen F Barnes
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | - Matthew D Barrett
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | - Russell L Barrett
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Randall J Bayer
- Department of Biological Sciences, University of Memphis, Memphis, TN, USA
| | - Michael J Bayly
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Ed Biffin
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
| | | | - Joanne L Birch
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Diego Bogarín
- Naturalis Biodiversity Center, Leiden, The Netherlands
- Jardín Botánico Lankester, Universidad de Costa Rica, Cartago, Costa Rica
| | | | | | - Peter C Boyce
- Centro Studi Erbario Tropicale, Dipartimento di Biologia, University of Florence, Florence, Italy
| | | | | | - Linda Broadhurst
- Centre for Australian National Biodiversity Research, National Research Collections Australia, CSIRO, Canberra, Australian Capital Territory, Australia
| | - Gillian K Brown
- Queensland Herbarium and Biodiversity Science, Brisbane Botanic Gardens, Toowong, Queensland, Australia
| | - Jeremy J Bruhl
- Botany and N.C.W. Beadle Herbarium, University of New England, Armidale, New South Wales, Australia
| | - Anne Bruneau
- Institut de Recherche en Biologie Végétale and Département de Sciences Biologiques, University of Montreal, Montreal, Quebec, Canada
| | - Sven Buerki
- Department of Biological Sciences, Boise State University, Boise, ID, USA
| | - Edie Burns
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Margaret Byrne
- Biodiversity and Conservation Science, Department of Biodiversity, Conservation and Attractions, Government of Western Australia, Kensington, Western Australia, Australia
| | | | - Ainsley Calladine
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
| | | | - Ángela Cano
- Cambridge University Botanic Garden, Cambridge, UK
| | | | - Warren M Cardinal-McTeague
- Department of Forest and Conservation Sciences, University of British Columbia, Vancouver, British Columbia, Canada
| | | | | | - Alejandra de Castro Mateo
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Seville, Spain
| | - Mark W Chase
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Environment and Agriculture, Curtin University, Bentley, Western Australia, Australia
| | | | | | - Shilin Chen
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Beijing, China
| | - Maarten J M Christenhusz
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Environment and Agriculture, Curtin University, Perth, Western Australia, Australia
- Plant Gateway, Den Haag, The Netherlands
| | - Pascal-Antoine Christin
- Ecology and Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK
| | - Mark A Clements
- Centre for Australian National Biodiversity Research, National Research Collections Australia, CSIRO, Canberra, Australian Capital Territory, Australia
| | - Skye C Coffey
- Western Australian Herbarium, Department of Biodiversity, Conservation and Attractions, Government of Western Australia, Kensington, Western Australia, Australia
| | - John G Conran
- School of Biological Sciences, The University of Adelaide, Adelaide, South Australia, Australia
| | - Xavier Cornejo
- Herbario GUAY, Facultad de Ciencias Naturales, Universidad de Guayaquil, Guayaquil, Ecuador
| | | | - Ian D Cowie
- Northern Territory Herbarium Department of Environment Parks & Water Security, Northern Territory Government, Palmerston, Northern Territory, Australia
| | | | | | | | | | | | - Kor-Jent van Dijk
- The University of Adelaide, North Terrace Campus, Adelaide, South Australia, Australia
| | - Stephen R Downie
- Department of Plant Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Marco F Duretto
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Melvin R Duvall
- Department of Biological Sciences and Institute for the Study of the Environment, Sustainability and Energy, Northern Illinois University, DeKalb, IL, USA
| | | | - Urs Eggli
- Sukkulenten-Sammlung Zürich/ Grün Stadt Zürich, Zürich, Switzerland
| | - Roy H J Erkens
- Naturalis Biodiversity Center, Leiden, The Netherlands
- Maastricht Science Programme, Maastricht University, Maastricht, The Netherlands
- System Earth Science, Maastricht University, Venlo, The Netherlands
| | - Marcial Escudero
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Seville, Spain
| | - Manuel de la Estrella
- Departamento de Botánica, Ecología y Fisiología Vegetal, Facultad de Ciencias, Universidad de Córdoba, Córdoba, Spain
| | | | | | - Paola de L Ferreira
- Departamento de Biologia, Faculdade de Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, São Paulo, Brazil
- Department of Biology, Aarhus University, Aarhus, Denmark
| | | | - Rachael M Fowler
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Sue Frisby
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Lin Fu
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | | | - Mercè Galbany-Casals
- Systematics and Evolution of Vascular Plants (UAB)-Associated Unit to CSIC by IBB, Departament de Biologia Animal, Biologia Vegetal i Ecologia, Facultat de Biociències, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Elliot M Gardner
- Department of Biology, Case Western Reserve University, Cleveland, OH, USA
| | | | - Augusto Giaretta
- Faculdade de Ciências Biológicas e Ambientais, Universidade Federal da Grande Dourados, Dourados, Brazil
| | - Marc Gibernau
- Laboratoire Sciences Pour l'Environnement, Université de Corse, Ajaccio, France
| | | | - Cynthia C González
- Herbario Trelew, Universidad Nacional de la Patagonia San Juan Bosco, Trelew, Argentina
| | | | - Sean W Graham
- Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada
| | | | | | - Bee F Gunn
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | - Diego G Gutiérrez
- Museo Argentino de Ciencias Naturales (MACN-CONICET), Buenos Aires, Argentina
| | - Jan Hackel
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Biology, Universität Marburg, Marburg, Germany
| | - Thomas Haevermans
- Institut de Systématique, Evolution, Biodiversité, Muséum National d'Histoire Naturelle, Paris, France
| | - Anna Haigh
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Jocelyn C Hall
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Tony Hall
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Melissa J Harrison
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | | | - Oriane Hidalgo
- Institut Botànic de Barcelona (IBB CSIC-Ajuntament de Barcelona), Barcelona, Spain
| | - Trevor R Hodkinson
- Botany, School of Natural Sciences, Trinity College Dublin, The University of Dublin, Dublin, Ireland
| | - Gareth D Holmes
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | | | | | - Shelley A James
- Western Australian Herbarium, Department of Biodiversity, Conservation and Attractions, Government of Western Australia, Kensington, Western Australia, Australia
| | - Richard W Jobson
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Gudrun Kadereit
- Prinzessin Therese von Bayern-Lehrstuhl für Systematik, Biodiversität & Evolution der Pflanzen, Ludwig-Maximilians-Universität München, Botanische Staatssammlung München, Botanischer Garten München-Nymphenburg, Munich, Germany
| | | | | | - Masahiro Kato
- National Museum of Nature and Science, Tsukuba, Japan
| | | | - Graham J King
- Southern Cross University, Lismore, New South Wales, Australia
| | | | | | - Ronell R Klopper
- Foundational Biodiversity Science Division, South African National Biodiversity Institute, Pretoria, South Africa
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria, South Africa
| | | | - Marcus A Koch
- Centre for Organismal Studies, Biodiversity and Plant Systematics, Heidelberg University, Heidelberg, Germany
| | | | - Frederic Lens
- Naturalis Biodiversity Center, Leiden, The Netherlands
| | | | | | | | - De-Zhu Li
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Lan Li
- CSIRO, Canberra, Australian Capital Territory, Australia
| | | | - Tatyana Livshultz
- Department of Biodiversity, Earth and Environmental Sciences, Drexel University, Philadelphia, PA, USA
- Academy of Natural Science, Drexel University, Philadelphia, PA, USA
| | - David Lorence
- National Tropical Botanical Garden, Kalaheo, HI, USA
| | - Meng Lu
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Patricia Lu-Irving
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Jaquelini Luber
- Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | - Mabel Lum
- Bioplatforms Australia Ltd, Sydney, New South Wales, Australia
| | - Terry D Macfarlane
- Western Australian Herbarium, Department of Biodiversity, Conservation and Attractions, Government of Western Australia, Kensington, Western Australia, Australia
| | | | - Vidal F Mansano
- Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | - Kristina McColl
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Angela J McDonnell
- Department of Biological Sciences, Saint Cloud State University, Saint Cloud, MN, USA
| | - Andrew E McDougall
- The University of Adelaide, North Terrace Campus, Adelaide, South Australia, Australia
| | - Todd G B McLay
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | - Hannah McPherson
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Rosa I Meneses
- Instituto de Arqueología y Antropología, Universidad Católica del Norte, San Pedro de Atacama, Chile
| | | | | | | | | | | | - Taryn L Mueller
- Department of Ecology, Evolution & Behavior, University of Minnesota, St. Paul, MN, USA
| | - Klaus Mummenhoff
- Department of Biology, University of Osnabrück, Osnabrück, Germany
| | - Jérôme Munzinger
- AMAP Lab, Université Montpellier, IRD, CIRAD, CNRS INRAE, Montpellier, France
| | - Priscilla Muriel
- Laboratorio de Ecofisiología, Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Quito, Ecuador
| | - Daniel J Murphy
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | - Katharina Nargar
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
- Centre for Australian National Biodiversity Research, National Research Collections Australia, CSIRO, Canberra, Australian Capital Territory, Australia
| | - Lars Nauheimer
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | - Francis J Nge
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
| | - Reto Nyffeler
- Department of Systematic and Evolutionary Botany, University of Zürich, Zürich, Switzerland
| | - Andrés Orejuela
- Royal Botanic Garden Edinburgh, Edinburgh, UK
- Grupo de Investigación en Recursos Naturales Amazónicos, Instituto Tecnológico del Putumayo, Mocoa, Colombia
| | - Edgardo M Ortiz
- Plant Biodiversity, Technical University Munich, Freising, Germany
| | - Luis Palazzesi
- Museo Argentino de Ciencias Naturales (MACN-CONICET), Buenos Aires, Argentina
| | - Ariane Luna Peixoto
- Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Jaume Pellicer
- Institut Botànic de Barcelona (IBB CSIC-Ajuntament de Barcelona), Barcelona, Spain
| | - Darin S Penneys
- Department of Biology and Marine Biology, University of North Carolina Wilmington, Wilmington, NC, USA
| | | | - Claes Persson
- Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden
| | - Marc Pignal
- Institut de Systématique, Evolution, Biodiversité, Muséum National d'Histoire Naturelle, Paris, France
| | - Yohan Pillon
- LSTM Université Montpellier, CIRADIRD, Montpellier, France
| | - José R Pirani
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | | | | | | | - Carmen Puglisi
- Royal Botanic Gardens, Kew, Richmond, UK
- Missouri Botanical Garden, St. Louis, MO, USA
| | - Ming Qin
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Richard K Rabeler
- Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
| | | | - Matthew Renner
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Eric H Roalson
- School of Biological Sciences, Washington State University, Pullman, WA, USA
| | - Michele Rodda
- National Parks Board, Singapore Botanic Gardens, Singapore, Singapore
| | | | - Saba Rokni
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Rolf Rutishauser
- Department of Systematic and Evolutionary Botany, University of Zürich, Zürich, Switzerland
| | - Miguel F de Salas
- Tasmanian Herbarium, University of Tasmania, Sandy Bay, Tasmania, Australia
| | - Hanno Schaefer
- Plant Biodiversity, Technical University Munich, Freising, Germany
| | | | - Alexander Schmidt-Lebuhn
- Centre for Australian National Biodiversity Research, National Research Collections Australia, CSIRO, Canberra, Australian Capital Territory, Australia
| | - Alison Shapcott
- School of Science Technology and Engineering, Center for Bioinnovation, University Sunshine Coast, Sippy Downs, Queensland, Australia
| | | | - Kelly A Shepherd
- Western Australian Herbarium, Department of Biodiversity, Conservation and Attractions, Government of Western Australia, Kensington, Western Australia, Australia
| | - Mark P Simmons
- Department of Biology, Colorado State University, Fort Collins, CO, USA
| | - André O Simões
- Departamento de Biologia Vegetal, Universidade Estadual de Campinas, Campinas, Brazil
| | | | - Michelle Siros
- Royal Botanic Gardens, Kew, Richmond, UK
- University of California, San Francisco, San Francisco, CA, USA
| | - Eric C Smidt
- Departamento de Botânica, Universidade Federal do Paraná, Curitiba, Brazil
| | - James F Smith
- Department of Biological Sciences, Boise State University, Boise, ID, USA
| | - Neil Snow
- Pittsburg State University, Pittsburg, KS, USA
| | - Douglas E Soltis
- Florida Museum of Natural History, University of Florida, Gainesville, FL, USA
| | - Pamela S Soltis
- Florida Museum of Natural History, University of Florida, Gainesville, FL, USA
| | | | | | - Julian R Starr
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | | | | | | | | | - Ian R H Telford
- Botany and N.C.W. Beadle Herbarium, University of New England, Armidale, New South Wales, Australia
| | - Andrew H Thornhill
- Botany and N.C.W. Beadle Herbarium, University of New England, Armidale, New South Wales, Australia
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
- School of Biological Sciences, The University of Adelaide, Adelaide, South Australia, Australia
| | - Ifeanna Tooth
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | | | - Frank Udovicic
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | | | - Jose C Del Valle
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Seville, Spain
| | - G Anthony Verboom
- Department of Biological Sciences and Bolus Herbarium, University of Cape Town, Cape Town, South Africa
| | - Helen P Vonow
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
| | | | - Jurriaan M de Vos
- Department of Environmental Sciences-Botany, University of Basel, Basel, Switzerland
| | | | - Michelle Waycott
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
- School of Biological Sciences, The University of Adelaide, Adelaide, South Australia, Australia
| | - Cassiano A D Welker
- Instituto de Biologia, Universidade Federal de Uberlândia, Uberlândia, Brazil
| | - Adam J White
- Australian National Herbarium, Centre for Australian National Biodiversity Research, National Research Collections Australia, CSIRO, Canberra, Australian Capital Territory, Australia
| | | | - Luis T Williamson
- The University of Adelaide, North Terrace Campus, Adelaide, South Australia, Australia
| | - Trevor C Wilson
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Sin Yeng Wong
- Institute of Biodiversity And Environmental Conservation, Universiti Malaysia Sarawak, Samarahan, Malaysia
| | - Lisa A Woods
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | | | - Stuart Worboys
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | | | - Ya Yang
- University of Minnesota-Twin Cities, St. Paul, MN, USA
| | | | - Meng-Yuan Zhou
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | | | | | - Alexandre Antonelli
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden
- Gothenburg Global Biodiversity Centre, University of Gothenburg, Gothenburg, Sweden
- Department of Biology, University of Oxford, Oxford, UK
| | | | - Darren M Crayn
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | - Olwen M Grace
- Royal Botanic Gardens, Kew, Richmond, UK
- Royal Botanic Garden Edinburgh, Edinburgh, UK
| | | | | | - Hervé Sauquet
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Stephen A Smith
- Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
| | - Wolf L Eiserhardt
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Biology, Aarhus University, Aarhus, Denmark
| | | | - William J Baker
- Royal Botanic Gardens, Kew, Richmond, UK.
- Department of Biology, Aarhus University, Aarhus, Denmark.
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3
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Elliott TL, Spalink D, Larridon I, Zuntini AR, Escudero M, Hackel J, Barrett RL, Martín-Bravo S, Márquez-Corro JI, Granados Mendoza C, Mashau AC, Romero-Soler KJ, Zhigila DA, Gehrke B, Andrino CO, Crayn DM, Vorontsova MS, Forest F, Baker WJ, Wilson KL, Simpson DA, Muasya AM. Global analysis of Poales diversification - parallel evolution in space and time into open and closed habitats. New Phytol 2024; 242:727-743. [PMID: 38009920 DOI: 10.1111/nph.19421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 11/03/2023] [Indexed: 11/29/2023]
Abstract
Poales are one of the most species-rich, ecologically and economically important orders of plants and often characterise open habitats, enabled by unique suites of traits. We test six hypotheses regarding the evolution and assembly of Poales in open and closed habitats throughout the world, and examine whether diversification patterns demonstrate parallel evolution. We sampled 42% of Poales species and obtained taxonomic and biogeographic data from the World Checklist of Vascular Plants database, which was combined with open/closed habitat data scored by taxonomic experts. A dated supertree of Poales was constructed. We integrated spatial phylogenetics with regionalisation analyses, historical biogeography and ancestral state estimations. Diversification in Poales and assembly of open and closed habitats result from dynamic evolutionary processes that vary across lineages, time and space, most prominently in tropical and southern latitudes. Our results reveal parallel and recurrent patterns of habitat and trait transitions in the species-rich families Poaceae and Cyperaceae. Smaller families display unique and often divergent evolutionary trajectories. The Poales have achieved global dominance via parallel evolution in open habitats, with notable, spatially and phylogenetically restricted divergences into strictly closed habitats.
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Affiliation(s)
- Tammy L Elliott
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlarska 2, Brno, 611 37, Czech Republic
- Department of Biological Sciences, University of Cape Town, Cape Town, 7700, South Africa
| | - Daniel Spalink
- Department of Ecology and Conservation Biology, Texas A&M University, College Station, Texas, TX, 77843-2258, USA
| | - Isabel Larridon
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000, Gent, Belgium
| | | | - Marcial Escudero
- Department of Plant Biology and Ecology, Faculty of Biology, University of Seville, Reina Mercedes 6, Seville, 41012, Spain
| | - Jan Hackel
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
- Department of Biology, University of Marburg, Karl-von-Frisch-Str. 8, 35043, Marburg, Germany
| | - Russell L Barrett
- National Herbarium of New South Wales, Botanic Gardens of Sydney, Australian Botanic Garden, Locked Bag 6002, Mount Annan, NSW, 2567, Australia
| | - Santiago Martín-Bravo
- Botany Area, Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, ctra. de Utrera km 1, 41013, Seville, Spain
| | - José Ignacio Márquez-Corro
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
- Botany Area, Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, ctra. de Utrera km 1, 41013, Seville, Spain
| | - Carolina Granados Mendoza
- Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, CP 04510, Mexico
| | - Aluoneswi C Mashau
- Foundational Research and Services, South African National Biodiversity Institute (SANBI), Private Bag X101, Pretoria, 0184, South Africa
| | - Katya J Romero-Soler
- Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, CP 04510, Mexico
| | - Daniel A Zhigila
- Department of Botany, Gombe State University, Tudun Wada, Gombe, 760001, Nigeria
| | - Berit Gehrke
- Universitetet i Bergen, Universitetsmuseet, Postboks 7800, NO-5020, Bergen, Norway
| | - Caroline Oliveira Andrino
- Departamento de Botânica, Universidade de Brasília, Brasília, Distrito Federal, CEP 70910-900, Brazil
| | - Darren M Crayn
- Sir Robert Norman Building (E2), James Cook University, PO Box 6811, Cairns, QLD, 4870, Australia
| | | | - Félix Forest
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
| | | | - Karen L Wilson
- National Herbarium of New South Wales, Botanic Gardens of Sydney, Australian Botanic Garden, Locked Bag 6002, Mount Annan, NSW, 2567, Australia
| | - David A Simpson
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
- Botany Department, School of Natural Sciences, Trinity College, The University of Dublin, Dublin 2, Ireland
| | - A Muthama Muasya
- Department of Biological Sciences, University of Cape Town, Cape Town, 7700, South Africa
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4
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Villaverde T, Larridon I, Shah T, Fowler RM, Chau JH, Olmstead RG, Sanmartín I. Phylogenomics sheds new light on the drivers behind a long-lasting systematic riddle: the figwort family Scrophulariaceae. New Phytol 2023; 240:1601-1615. [PMID: 36869601 DOI: 10.1111/nph.18845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
The figwort family, Scrophulariaceae, comprises c. 2000 species whose evolutionary relationships at the tribal level have proven difficult to resolve, hindering our ability to understand their origin and diversification. We designed a specific probe kit for Scrophulariaceae, targeting 849 nuclear loci and obtaining plastid regions as by-products. We sampled c. 87% of the genera described in the family and use the nuclear dataset to estimate evolutionary relationships, timing of diversification, and biogeographic patterns. Ten tribes, including two new tribes, Androyeae and Camptolomeae, are supported, and the phylogenetic positions of Androya, Camptoloma, and Phygelius are unveiled. Our study reveals a major diversification at c. 60 million yr ago in some Gondwanan landmasses, where two different lineages diversified, one of which gave rise to nearly 81% of extant species. A Southern African origin is estimated for most modern-day tribes, with two exceptions, the American Leucophylleae, and the mainly Australian Myoporeae. The rapid mid-Eocene diversification is aligned with geographic expansion within southern Africa in most tribes, followed by range expansion to tropical Africa and multiple dispersals out of Africa. Our robust phylogeny provides a framework for future studies aimed at understanding the role of macroevolutionary patterns and processes that generated Scrophulariaceae diversity.
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Affiliation(s)
- Tamara Villaverde
- Real Jardín Botánico (CSIC), Plaza de Murillo, 2, Madrid, 28014, Spain
| | - Isabel Larridon
- Royal Botanic Gardens, Kew, Richmond, TW9 3AE, UK
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000, Ghent, Belgium
| | - Toral Shah
- Royal Botanic Gardens, Kew, Richmond, TW9 3AE, UK
- Department of Life Sciences, Imperial College London, Silwood Park Campus, Ascot, SL5 7PY, UK
| | - Rachael M Fowler
- School of BioSciences, The University of Melbourne, Parkville, Vic., 3010, Australia
| | - John H Chau
- Department of Zoology, Centre for Ecological Genomics and Wildlife Conservation, University of Johannesburg, Auckland Park, 2006, South Africa
| | - Richard G Olmstead
- Department of Biology and Burke Museum, University of Washington, Seattle, WA, 98155, USA
| | - Isabel Sanmartín
- Real Jardín Botánico (CSIC), Plaza de Murillo, 2, Madrid, 28014, Spain
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5
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Gosline G, Bidault E, van der Burgt X, Cahen D, Challen G, Condé N, Couch C, Couvreur TLP, Dagallier LPMJ, Darbyshire I, Dawson S, Doré TS, Goyder D, Grall A, Haba P, Haba P, Harris D, Hind DJN, Jongkind C, Konomou G, Larridon I, Lewis G, Ley A, Lock M, Lucas E, Magassouba S, Mayo S, Molmou D, Monro A, Onana JM, Paiva J, Paton A, Phillips S, Prance G, Quintanar A, Rokni S, Shah T, Schrire B, Schuiteman A, Simões ARG, Sosef M, Stévart T, Stone RD, Utteridge T, Wilkin P, Xanthos M, Nic Lughadha E, Cheek M. A Taxonomically-verified and Vouchered Checklist of the Vascular Plants of the Republic of Guinea. Sci Data 2023; 10:327. [PMID: 37236921 DOI: 10.1038/s41597-023-02236-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 05/15/2023] [Indexed: 05/28/2023] Open
Abstract
The Checklist of the Vascular Plants of the Republic of Guinea (CVPRG) is a specimen-based, expert-validated knowledge product, which provides a concise synthesis and overview of current knowledge on 3901 vascular plant species documented from Guinea (Conakry), West Africa, including their accepted names and synonyms, as well as their distribution and status within Guinea (indigenous or introduced, endemic or not). The CVPRG is generated automatically from the Guinea Collections Database and the Guinea Names Backbone Database, both developed and maintained at the Royal Botanic Gardens, Kew, in collaboration with the staff of the National Herbarium of Guinea. A total of 3505 indigenous vascular plant species are reported of which 3328 are flowering plants (angiosperms); this represents a 26% increase in known indigenous angiosperms since the last floristic overview. Intended as a reference for scientists documenting the diversity and distribution of the Guinea flora, the CVPRG will also inform those seeking to safeguard the rich plant diversity of Guinea and the societal, ecological and economic benefits accruing from these biological resources.
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Affiliation(s)
| | | | | | | | | | - Nagnouma Condé
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | - Charlotte Couch
- Royal Botanic Gardens, Kew, Richmond, UK
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | - Thomas L P Couvreur
- DIADE, Univ Montpellier, CIRAD, IRD, Montpellier, France
- Naturalis Biodiversity Centre, Botany Section, Leiden, The Netherlands
| | | | | | | | | | | | | | - Pépé Haba
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | - Pierre Haba
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | | | | | | | - Gbamon Konomou
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | | | | | | | | | - Eve Lucas
- Royal Botanic Gardens, Kew, Richmond, UK
| | | | - Simon Mayo
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Denise Molmou
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | | | - Jean Michel Onana
- Université de Yaoundé 1, Cameroon; IRAD-Herbier National Camerounais, Yaoundé, Cameroon
| | | | - Alan Paton
- Royal Botanic Gardens, Kew, Richmond, UK
| | | | | | | | - Saba Rokni
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Toral Shah
- Royal Botanic Gardens, Kew, Richmond, UK
| | | | | | | | | | - Tariq Stévart
- Missouri Botanical Garden, St. Louis, USA
- Meise Botanic Garden, Meise, Belgium
| | - R Doug Stone
- University of KwaZulu-Natal, Durban, South Africa
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6
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Larson DA, Chanderbali AS, Maurin O, Gonçalves DJP, Dick CW, Soltis DE, Soltis PS, Fritsch PW, Clarkson JJ, Grall A, Davies NMJ, Larridon I, Kikuchi IABS, Forest F, Baker WJ, Smith SA, Utteridge TMA. The phylogeny and global biogeography of Primulaceae based on high-throughput DNA sequence data. Mol Phylogenet Evol 2023; 182:107702. [PMID: 36781032 DOI: 10.1016/j.ympev.2023.107702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 12/13/2022] [Accepted: 01/04/2023] [Indexed: 02/13/2023]
Abstract
The angiosperm family Primulaceae is morphologically diverse and distributed nearly worldwide. However, phylogenetic uncertainty has obstructed the identification of major morphological and biogeographic transitions within the clade. We used target capture sequencing with the Angiosperms353 probes, taxon-sampling encompassing nearly all genera of the family, tree-based sequence curation, and multiple phylogenetic approaches to investigate the major clades of Primulaceae and their relationship to other Ericales. We generated dated phylogenetic trees and conducted broad-scale biogeographic analyses as well as stochastic character mapping of growth habit. We show that Ardisia, a pantropical genus and the largest in the family, is not monophyletic, with at least 19 smaller genera nested within it. Neotropical members of Ardisia and several smaller genera form a clade, an ancestor of which arrived in the Neotropics and began diversifying about 20 Ma. This Neotropical clade is most closely related to Elingamita and Tapeinosperma, which are most diverse on islands of the Pacific. Both Androsace and Primula are non-monophyletic by the inclusion of smaller genera. Ancestral state reconstructions revealed that there have either been parallel transitions to an herbaceous habit in Primuloideae, Samolus, and at least three lineages of Myrsinoideae, or a common ancestor of nearly all Primulaceae was herbaceous. Our results provide a robust estimate of phylogenetic relationships across Primulaceae and show that a revised classification of Myrsinoideae and several other clades within the family is necessary to render all genera monophyletic.
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Affiliation(s)
- Drew A Larson
- Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biology, Indiana University, Bloomington, IN 47405, USA.
| | - Andre S Chanderbali
- Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA
| | - Olivier Maurin
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, United Kingdom
| | - Deise J P Gonçalves
- Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Christopher W Dick
- Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA; Smithsonian Tropical Research Institute, Panama City, Republic of Panama
| | - Douglas E Soltis
- Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA
| | - Pamela S Soltis
- Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA; Biodiversity Institute, University of Florida, Gainesville, FL 32611, USA
| | - Peter W Fritsch
- Botanical Research Institute of Texas, Fort Worth, TX 76107, USA
| | - James J Clarkson
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, United Kingdom
| | - Aurélie Grall
- Department of Environmental Sciences - Botany, University of Basel, Switzerland
| | - Nina M J Davies
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, United Kingdom
| | - Isabel Larridon
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, United Kingdom
| | - Izai A B S Kikuchi
- Department of Botany, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Félix Forest
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, United Kingdom
| | - William J Baker
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, United Kingdom
| | - Stephen A Smith
- Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA
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7
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Elliott TL, Zedek F, Barrett RL, Bruhl JJ, Escudero M, Hroudová Z, Joly S, Larridon I, Luceño M, Márquez-Corro JI, Martín-Bravo S, Muasya AM, Šmarda P, Thomas WW, Wilson KL, Bureš P. Chromosome size matters: genome evolution in the cyperid clade. Ann Bot 2022; 130:999-1014. [PMID: 36342743 PMCID: PMC9851305 DOI: 10.1093/aob/mcac136] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 11/03/2022] [Indexed: 05/08/2023]
Abstract
BACKGROUND AND AIMS While variation in genome size and chromosome numbers and their consequences are often investigated in plants, the biological relevance of variation in chromosome size remains poorly known. Here, we examine genome and mean chromosome size in the cyperid clade (families Cyperaceae, Juncaceae and Thurniaceae), which is the largest vascular plant lineage with predominantly holocentric chromosomes. METHODS We measured genome size in 436 species of cyperids using flow cytometry, and augment these data with previously published datasets. We then separately compared genome and mean chromosome sizes (2C/2n) amongst the major lineages of cyperids and analysed how these two genomic traits are associated with various environmental factors using phylogenetically informed methods. KEY RESULTS We show that cyperids have the smallest mean chromosome sizes recorded in seed plants, with a large divergence between the smallest and largest values. We found that cyperid species with smaller chromosomes have larger geographical distributions and that there is a strong inverse association between mean chromosome size and number across this lineage. CONCLUSIONS The distinct patterns in genome size and mean chromosome size across the cyperids might be explained by holokinetic drive. The numerous small chromosomes might function to increase genetic diversity in this lineage where crossovers are limited during meiosis.
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Affiliation(s)
- Tammy L Elliott
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - František Zedek
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Russell L Barrett
- National Herbarium of New South Wales, Australian Institute of Botanical Science, Australian Botanic Garden, Locked Bag 6002, Mount Annan, New South Wales 2567, Australia
| | - Jeremy J Bruhl
- Botany and N.C.W. Beadle Herbarium, School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia
| | - Marcial Escudero
- Department of Plant Biology and Ecology, University of Seville, Reina Mercedes 6, 41012 Seville, Spain
| | - Zdenka Hroudová
- Institute of Botany of the Czech Academy of Sciences, 252 43 Průhonice, Czech Republic
- National Museum, Department of Botany, Cirkusová 1740, 193 00 Prague 9, Czech Republic
| | - Simon Joly
- Montreal Botanical Garden, 4101, Sherbrooke East, Montreal, QC H1X 2B2, Canada
- Institut de recherche en biologie végétale, Département de sciences biologiques, Université de Montréal, 4101, Sherbrooke East, Montreal, QC H1X 2B2, Canada
| | - Isabel Larridon
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, UK
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
| | - Modesto Luceño
- Botany Area, Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, ctra. de Utrera km. 1, 41013, Seville, Spain
| | - José Ignacio Márquez-Corro
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, UK
- Botany Area, Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, ctra. de Utrera km. 1, 41013, Seville, Spain
| | - Santiago Martín-Bravo
- Botany Area, Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, ctra. de Utrera km. 1, 41013, Seville, Spain
| | - A Muthama Muasya
- Bolus Herbarium, Department of Biological Sciences, University of Cape Town, Private Bag X3, Rondebosch, Cape Town 7701, South Africaand
| | - Petr Šmarda
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | | | - Karen L Wilson
- National Herbarium of New South Wales, Australian Institute of Botanical Science, Australian Botanic Garden, Locked Bag 6002, Mount Annan, New South Wales 2567, Australia
| | - Petr Bureš
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
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8
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Griffiths M, Ralimanana H, Rakotonasolo F, Larridon I. A monograph of the African and Madagascan species of Cyperus sect. Incurvi (Cyperaceae). Kew Bull 2022; 77:819-850. [PMID: 36320639 PMCID: PMC9607776 DOI: 10.1007/s12225-022-10058-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 07/04/2022] [Indexed: 06/16/2023]
Abstract
Cyperus sect. Incurvi (Cyperaceae) contains 31 species worldwide, with important continental radiations in Australasia, Tropical Africa and Madagascar, and the Neotropics. Here, a monograph of the African and Madagascan species of Cyperus sect. Incurvi is presented, including descriptions, illustrations, synonymy, notes on habitat and ecology, geographic distribution ranges and conservation assessments. Our results identify eight species of Cyperus sect. Incurvi endemic to Madagascar, and a further three species native to Tropical Africa. Seven species of Cyperus sect. Incurvi have been typified herein. Six rare Madagascan endemics are assessed as threatened with extinction.
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Affiliation(s)
- Megan Griffiths
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE UK
- School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Rd, London, E1 4NS UK
| | - Hélène Ralimanana
- Kew Madagascar Conservation Centre, Lot II J 131 B Ambodivoanjo, 101 Antananarivo, Madagascar
- University of Antananarivo, B.P. 906, Antananarivo, Madagascar
| | - Franck Rakotonasolo
- Parc Botanique et Zoologique de Tsimbazaza, BP 4096, Rue Kasanga, Antananarivo, Madagascar
| | - Isabel Larridon
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE UK
- Department of Biology, Systematic and Evolutionary Botany Lab, Ghent University, K.L. Ledeganckstraat 35, 9000 Ghent, Belgium
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9
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Guzmán-Díaz S, Núñez FAA, Veltjen E, Asselman P, Larridon I, Samain MS. Comparison of Magnoliaceae Plastomes: Adding Neotropical Magnolia to the Discussion. Plants (Basel) 2022; 11:plants11030448. [PMID: 35161429 PMCID: PMC8838774 DOI: 10.3390/plants11030448] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/31/2022] [Accepted: 02/02/2022] [Indexed: 05/13/2023]
Abstract
Chloroplast genomes are considered to be highly conserved. Nevertheless, differences in their sequences are an important source of phylogenetically informative data. Chloroplast genomes are increasingly applied in evolutionary studies of angiosperms, including Magnoliaceae. Recent studies have focused on resolving the previously debated classification of the family using a phylogenomic approach and chloroplast genome data. However, most Neotropical clades and recently described species have not yet been included in molecular studies. We performed sequencing, assembly, and annotation of 15 chloroplast genomes from Neotropical Magnoliaceae species. We compared the newly assembled chloroplast genomes with 22 chloroplast genomes from across the family, including representatives from each genus and section. Family-wide, the chloroplast genomes presented a length of about 160 kb. The gene content in all species was constant, with 145 genes. The intergenic regions showed a higher level of nucleotide diversity than the coding regions. Differences were higher among genera than within genera. The phylogenetic analysis in Magnolia showed two main clades and corroborated that the current infrageneric classification does not represent natural groups. Although chloroplast genomes are highly conserved in Magnoliaceae, the high level of diversity of the intergenic regions still resulted in an important source of phylogenetically informative data, even for closely related taxa.
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Affiliation(s)
- Salvador Guzmán-Díaz
- Instituto de Ecología, A.C., Red de Diversidad Biológica del Occidente Mexicano, Pátzcuaro 61600, Mexico; (F.A.A.N.); (M.-S.S.)
- Correspondence:
| | - Fabián Augusto Aldaba Núñez
- Instituto de Ecología, A.C., Red de Diversidad Biológica del Occidente Mexicano, Pátzcuaro 61600, Mexico; (F.A.A.N.); (M.-S.S.)
| | - Emily Veltjen
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, 9000 Gent, Belgium; (E.V.); (P.A.); (I.L.)
- Ghent University Botanical Garden, Ghent University, 9000 Gent, Belgium
| | - Pieter Asselman
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, 9000 Gent, Belgium; (E.V.); (P.A.); (I.L.)
| | - Isabel Larridon
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, 9000 Gent, Belgium; (E.V.); (P.A.); (I.L.)
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, UK
| | - Marie-Stéphanie Samain
- Instituto de Ecología, A.C., Red de Diversidad Biológica del Occidente Mexicano, Pátzcuaro 61600, Mexico; (F.A.A.N.); (M.-S.S.)
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, 9000 Gent, Belgium; (E.V.); (P.A.); (I.L.)
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10
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van Kleinwee I, Larridon I, Shah T, Bauters K, Asselman P, Goetghebeur P, Leliaert F, Veltjen E. Plastid phylogenomics of the Sansevieria Clade of Dracaena (Asparagaceae) resolves a recent radiation. Mol Phylogenet Evol 2022; 169:107404. [PMID: 35031466 DOI: 10.1016/j.ympev.2022.107404] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 12/20/2021] [Accepted: 12/29/2021] [Indexed: 12/16/2022]
Abstract
Best known as low maintenance houseplants, sansevierias are a diverse group of flowering plants native to Africa, Madagascar, the Arabian Peninsula, and the Indian subcontinent. Traditionally recognised as a distinct genus, Sansevieria was recently merged with the larger genus Dracaena based on molecular phylogenetic data. Within the Sansevieria Clade of Dracaena, taxonomic uncertainties remain despite attempts to unravel the relationships between the species. To investigate the evolutionary relationships, morphological evolution and biogeographical history in the group, we aim to reconstruct a robust dated phylogenetic hypothesis. Using genome skimming, a chloroplast genome (cpDNA) dataset and a nuclear ribosomal (nrDNA) dataset were generated. The sampling included representatives of all sections and informal groups previously described in Sansevieria based on morphology. Analysis of the cpDNA dataset using a maximum likelihood approach resulted in a well-supported phylogeny. The time-calibrated phylogeny indicated a recent radiation with five main clades emerging in the Pliocene. Two strongly supported clades align with previously defined groups, i.e., Sansevieria section Dracomima, characterised by the Dracomima-type inflorescence, and the Zeylanica informal group, native to the Indian subcontinent. Other previously defined groups were shown to be polyphyletic; a result of convergent evolution of the identifying characters. Switches between flat and cylindrical leaves occurred multiple times in the evolution of the Sansevieria Clade. Similarly, the Cephalantha-type inflorescence has originated multiple times from an ancestor with a Sansevieria-type inflorescence. Analysis of the nrDNA dataset resulted in a phylogenetic hypothesis with low resolution, yet it supported the same two groups confirmed by the cpDNA dataset. This study furthers our understanding of the evolution of the Sansevieria Clade, which will benefit taxonomic and applied research, and aid conservation efforts.
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Affiliation(s)
- Iris van Kleinwee
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
| | - Isabel Larridon
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000 Gent, Belgium; Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, UK
| | - Toral Shah
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, UK; Department of Life Sciences, Imperial College, Silwood Park Campus, Berks SL5 7PY, UK
| | | | - Pieter Asselman
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
| | - Paul Goetghebeur
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000 Gent, Belgium; Ghent University Botanical Garden, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
| | | | - Emily Veltjen
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000 Gent, Belgium; Ghent University Botanical Garden, K.L. Ledeganckstraat 35, 9000 Gent, Belgium.
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11
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Shah T, Schneider JV, Zizka G, Maurin O, Baker W, Forest F, Brewer GE, Savolainen V, Darbyshire I, Larridon I. Joining forces in Ochnaceae phylogenomics: a tale of two targeted sequencing probe kits. Am J Bot 2021; 108:1201-1216. [PMID: 34180046 DOI: 10.1002/ajb2.1682] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 02/23/2021] [Indexed: 05/10/2023]
Abstract
PREMISE Both universal and family-specific targeted sequencing probe kits are becoming widely used for reconstruction of phylogenetic relationships in angiosperms. Within the pantropical Ochnaceae, we show that with careful data filtering, universal kits are equally as capable in resolving intergeneric relationships as custom probe kits. Furthermore, we show the strength in combining data from both kits to mitigate bias and provide a more robust result to resolve evolutionary relationships. METHODS We sampled 23 Ochnaceae genera and used targeted sequencing with two probe kits, the universal Angiosperms353 kit and a family-specific kit. We used maximum likelihood inference with a concatenated matrix of loci and multispecies-coalescence approaches to infer relationships in the family. We explored phylogenetic informativeness and the impact of missing data on resolution and tree support. RESULTS For the Angiosperms353 data set, the concatenation approach provided results more congruent with those of the Ochnaceae-specific data set. Filtering missing data was most impactful on the Angiosperms353 data set, with a relaxed threshold being the optimum scenario. The Ochnaceae-specific data set resolved consistent topologies using both inference methods, and no major improvements were obtained after data filtering. Merging of data obtained with the two kits resulted in a well-supported phylogenetic tree. CONCLUSIONS The Angiosperms353 data set improved upon data filtering, and missing data played an important role in phylogenetic reconstruction. The Angiosperms353 data set resolved the phylogenetic backbone of Ochnaceae as equally well as the family specific data set. All analyses indicated that both Sauvagesia L. and Campylospermum Tiegh. as currently circumscribed are polyphyletic and require revised delimitation.
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Affiliation(s)
- Toral Shah
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
- Department of Life Sciences, Imperial College, Silwood Park Campus, Ascot, Berks, SL5 7PY, UK
| | - Julio V Schneider
- Department of Botany and Molecular Evolution, Senckenberg Research Institute and Natural History Museum Frankfurt, Senckenberganlage 25, Frankfurt am Main, D-60325, Germany
| | - Georg Zizka
- Department of Botany and Molecular Evolution, Senckenberg Research Institute and Natural History Museum Frankfurt, Senckenberganlage 25, Frankfurt am Main, D-60325, Germany
- Institute of Ecology, Evolution and Diversity, Goethe University, Max-von-Laue-Str. 13, Frankfurt am Main, 60438, Germany
| | - Olivier Maurin
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
| | - William Baker
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
| | - Félix Forest
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
| | - Grace E Brewer
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
| | - Vincent Savolainen
- Department of Life Sciences, Imperial College, Silwood Park Campus, Ascot, Berks, SL5 7PY, UK
| | | | - Isabel Larridon
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, K.L., Ledeganckstraat 35, Gent, 9000, Belgium
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12
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Ribeiro ARDO, Pereira-Silva L, Vieira JPS, Larridon I, Ribeiro VS, Felitto G, Siqueira GS, Alves-Araújo A, Alves M. Cyperus prophyllatus: An endangered aquatic new species of Cyperus L. (Cyperaceae) with a exceptional spikelet disarticulation pattern among about 950 species, including molecular phylogenetic, anatomical and (micro)morphological data. PLoS One 2021; 16:e0249737. [PMID: 34106952 PMCID: PMC8189457 DOI: 10.1371/journal.pone.0249737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 03/23/2021] [Indexed: 12/02/2022] Open
Abstract
Cyperus prophyllatus, an endangered new species of Cyperus (Cyperaceae) from an aquatic ecosystem of the Atlantic Forest, Espírito Santo State, southeastern Brazil, is described and illustrated. The spikelet morphology of Cyperus prophyllatus is unique among the c. 950 species of Cyperus in having both a conspicuous spikelet prophyll and a corky rachilla articulation, which remain persistent at the base of the spikelet after disarticulation. Our molecular phylogenetic data support the placement of C. prophyllatus in the C3 Cyperus Grade and more precisely in the clade representing Cyperus sect. Oxycaryum, which also includes C. blepharoleptos and C. gardneri. Anatomical and (micro)morphological analyses corroborate the phylogenetic results, provide a better understanding of ecology and taxonomy, as well as reveal compatibility of structures with survival and dispersion in aquatic environments. A distribution map, table with distinctive characters of allied species, and conservation status are made available.
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Affiliation(s)
| | - Luciana Pereira-Silva
- Programa de Pós-Graduação em Biologia de Fungos, Algas e Plantas, Departamento de Botânica, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
- Royal Botanic Gardens, Kew, Surrey, United Kingdom
| | - Jéssika Paula Silva Vieira
- Departamento de Botânica, Universidade de Brasília, Campus Universitário Darcy Ribeiro, Brasília, Distrito Federal, Brazil
| | - Isabel Larridon
- Royal Botanic Gardens, Kew, Surrey, United Kingdom
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, Gent, Belgium
| | | | | | | | - Anderson Alves-Araújo
- Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, São Mateus, Espírito Santo, Brazil
| | - Marccus Alves
- Departamento de Botânica, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
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13
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Muasya AM, Larridon I. Delimiting the genera of the Ficinia Clade (Cypereae, Cyperaceae) based on molecular phylogenetic data. PeerJ 2021; 9:e10737. [PMID: 33569253 PMCID: PMC7845527 DOI: 10.7717/peerj.10737] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 12/18/2020] [Indexed: 11/20/2022] Open
Abstract
Generic delimitations in the Ficinia Clade of tribe Cypereae are revisited. In particular, we aim to establish the placement of annual species currently included in Isolepis of which the phylogenetic position is uncertain. Phylogenetic inference is based on two nuclear markers (ETS, ITS) and five plastid markers (the genes matK, ndhF, rbcL and rps16, the trnL intron and trnL-F spacer) data, analyzed using model based methods. Topologies based on nuclear and plastid data show incongruence at the backbone. Therefore, the results are presented separately. The monophyly of the smaller genera (Afroscirpoides, Dracoscirpoides, Erioscirpus, Hellmuthia, Scirpoides) is confirmed. However, Isolepis is paraphyletic as Ficinia is retrieved as one of its clades. Furthermore, Ficinia is paraphyletic if I. marginata and allies are excluded. We take a pragmatic approach based on the nuclear topology, driven by a desire to minimize taxonomic changes, to recircumscribe Ficinia to include the annual Isolepis species characterized by cartilaginous glumes and formally include all the Isolepis species inferred outside the core Isolepis clade. Consequently, the circumscription of Isolepis is narrowed to encompass only those species retrieved as part of the core Isolepis clade. Five new combinations are made (Ficinia neocapensis, Ficinia hemiuncialis, Ficinia incomtula, Ficinia leucoloma, Ficinia minuta). We present nomenclatural summary at genus level, identification keys and diagnostic features.
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Affiliation(s)
- A Muthama Muasya
- Department of Biological Sciences, Bolus Herbarium, University of Cape Town, Rondebosch, Cape Town, South Africa.,Identification and Naming, Royal Botanic Gardens Kew, Richmond, Surrey, UK
| | - Isabel Larridon
- Identification and Naming, Royal Botanic Gardens Kew, Richmond, Surrey, UK.,Department of Biology, Systematic and Evolutionary Botany Lab, Ghent University, Gent, Belgium
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14
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Schley RJ, Pennington RT, Pérez-Escobar OA, Helmstetter AJ, de la Estrella M, Larridon I, Sabino Kikuchi IAB, Barraclough TG, Forest F, Klitgård B. Introgression across evolutionary scales suggests reticulation contributes to Amazonian tree diversity. Mol Ecol 2020; 29:4170-4185. [PMID: 32881172 DOI: 10.1111/mec.15616] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 08/14/2020] [Accepted: 08/17/2020] [Indexed: 01/03/2023]
Abstract
Hybridization has the potential to generate or homogenize biodiversity and is a particularly common phenomenon in plants, with an estimated 25% of plant species undergoing interspecific gene flow. However, hybridization in Amazonia's megadiverse tree flora was assumed to be extremely rare despite extensive sympatry between closely related species, and its role in diversification remains enigmatic because it has not yet been examined empirically. Using members of a dominant Amazonian tree family (Brownea, Fabaceae) as a model to address this knowledge gap, our study recovered extensive evidence of hybridization among multiple lineages across phylogenetic scales. More specifically, using targeted sequence capture our results uncovered several historical introgression events between Brownea lineages and indicated that gene tree incongruence in Brownea is best explained by reticulation, rather than solely by incomplete lineage sorting. Furthermore, investigation of recent hybridization using ~19,000 ddRAD loci recovered a high degree of shared variation between two Brownea species that co-occur in the Ecuadorian Amazon. Our analyses also showed that these sympatric lineages exhibit homogeneous rates of introgression among loci relative to the genome-wide average, implying a lack of selection against hybrid genotypes and persistent hybridization. Our results demonstrate that gene flow between multiple Amazonian tree species has occurred across temporal scales, and contrasts with the prevailing view of hybridization's rarity in Amazonia. Overall, our results provide novel evidence that reticulate evolution influenced diversification in part of the Amazonian tree flora, which is the most diverse on Earth.
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Affiliation(s)
- Rowan J Schley
- Royal Botanic Gardens, Kew, Richmond, UK.,Department of Life Sciences, Imperial College London, Ascot, Berkshire, London, UK
| | - R Toby Pennington
- Geography, University of Exeter, Exeter, UK.,Royal Botanic Garden Edinburgh, Edinburgh, UK
| | | | - Andrew J Helmstetter
- Institut de Recherche pour le Développement (IRD), UMR-DIADE, Montpellier, France
| | - Manuel de la Estrella
- Departamento de Botánica, Ecología y Fisiología Vegetal, Facultad de Ciencias, Universidad de Córdoba, Córdoba, Spain
| | - Isabel Larridon
- Royal Botanic Gardens, Kew, Richmond, UK.,Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, K.L, Gent, Belgium
| | | | - Timothy G Barraclough
- Department of Life Sciences, Imperial College London, Ascot, Berkshire, London, UK.,Department of Zoology, University of Oxford, Oxford, UK
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15
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Larridon I, Tanaka N, Liang Y, Phillips SM, Barfod AS, Cho SH, Gale SW, Jobson RW, Kim YD, Li J, Muasya AM, Parnell JAN, Prajaksood A, Shutoh K, Souladeth P, Tagane S, Tanaka N, Yano O, Mesterházy A, Newman MF, Ito Y. First molecular phylogenetic insights into the evolution of Eriocaulon (Eriocaulaceae, Poales). J Plant Res 2019; 132:589-600. [PMID: 31385106 PMCID: PMC6713687 DOI: 10.1007/s10265-019-01129-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 07/29/2019] [Indexed: 05/12/2023]
Abstract
Eriocaulon is a genus of c. 470 aquatic and wetland species of the monocot plant family Eriocaulaceae. It is widely distributed in Africa, Asia and America, with centres of species richness in the tropics. Most species of Eriocaulon grow in wetlands although some inhabit shallow rivers and streams with an apparent adaptive morphology of elongated submerged stems. In a previous molecular phylogenetic hypothesis, Eriocaulon was recovered as sister of the African endemic genus Mesanthemum. Several regional infrageneric classifications have been proposed for Eriocaulon. This study aims to critically assess the existing infrageneric classifications through phylogenetic reconstruction of infrageneric relationships, based on DNA sequence data of four chloroplast markers and one nuclear marker. There is little congruence between our molecular results and previous morphology-based infrageneric classifications. However, some similarities can be found, including Fyson's sect. Leucantherae and Zhang's sect. Apoda. Further phylogenetic studies, particularly focusing on less well sampled regions such as the Neotropics, will help provide a more global overview of the relationships in Eriocaulon and may enable suggesting the first global infrageneric classification.
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Affiliation(s)
| | - Norio Tanaka
- Department of Botany, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki, 305-0005, Japan
| | - Yuxi Liang
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
| | | | - Anders S Barfod
- Department of Bioscience, Aarhus University, Ny Munkegade 114, 8000, Aarhus C, Denmark
| | - Seong-Hyun Cho
- Multidisciplinary Genome Institute, Hallym University, Chuncheon, 24252, Korea
| | - Stephan W Gale
- Kadoorie Farm and Botanic Garden, Lam Kam Road, Tai Po, New Territories, Hong Kong, SAR, China
| | - Richard W Jobson
- National Herbarium of New South Wales, Royal Botanic Gardens and Domain Trust, Mrs Macquaries Road, Sydney, NSW, 2000, Australia
| | - Young-Dong Kim
- Multidisciplinary Genome Institute, Hallym University, Chuncheon, 24252, Korea
| | - Jie Li
- Xishuangbanna Tropical Botanical Garden, Plant Phylogenetics and Conservation Group, Chinese Academy of Sciences, Kunming, 650223, China
| | - A Muthama Muasya
- Department of Biological Sciences, University of Cape Town, Bolus Herbarium, Private Bag X3, Rondebosch, 7701, South Africa
| | - John A N Parnell
- Herbarium, Botany Department, Trinity College Dublin, Dublin 2, Ireland
| | - Amornrat Prajaksood
- Department of Biology, Faculty of Science, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Kohtaroh Shutoh
- The Hokkaido University Museum, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo, Hokkaido, 060-0810, Japan
| | - Phetlasy Souladeth
- National University of Laos, Dongdok Campus, Xaythany District, Vientiane Capital, Lao PDR
| | - Shuichiro Tagane
- The Kagoshima University Museum, Kagoshima University, 1-21-30 Korimoto, Kagoshima, 890-0065, Japan
| | - Nobuyuki Tanaka
- Department of Botany, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki, 305-0005, Japan
| | - Okihito Yano
- Department of Biosphere-Geosphere Science, Faculty of Biosphere-Geosphere Science, Okayama University of Science, Ridai-cho 1-1, Kita-ku, Okayama, Okayama, 700-0005, Japan
| | - Attila Mesterházy
- Directory of Hortobágy National Park, Sumen utca 2, Debrecen, 4024, Hungary
| | - Mark F Newman
- Royal Botanic Garden Edinburgh, 20A Inverleith Row, Edinburgh, Scotland, EH3 5LR, UK
| | - Yu Ito
- Faculty of Pharmaceutical Sciences, Setsunan University, Osaka, Japan
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16
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Ossa CG, Montenegro P, Larridon I, Pérez F. Response of xerophytic plants to glacial cycles in southern South America. Ann Bot 2019; 124:15-26. [PMID: 30715148 PMCID: PMC6676391 DOI: 10.1093/aob/mcy235] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 12/03/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND AND AIM Quaternary glaciations strongly affected the distribution of species from arid and semi-arid environments, as temperature drops were accompanied by strong fluctuations in rainfall. In this study, we examined the response of xerophytic species to glacial cycles, determining the genetic patterns and climatic niche of Echinopsis chiloensis var. chiloensis, an endemic columnar cactus of arid and semi-arid regions of Chile. METHODS We analysed 11 polymorphic microsatellites for 130 individuals from 13 populations distributed across the entire distribution of the species. We examined genetic diversity and structure, identified possible patterns of isolation by distance (IBD) and tested two competing population history scenarios using Approximate Bayesian Computation. The first scenario assumes a constant population size while the second includes a bottleneck in the southern population. The latter scenario assumed that the southernmost populations experienced a strong contraction during glaciation, followed by a postglacial expansion; by contrast, the area of the northernmost populations remained as a stable refugium. We also used ecological niche modelling (ENM) to evaluate the location and extension of suitable areas during the Last Glacial Maximum (LGM) and the mid-Holocene. KEY RESULTS We found a decline in genetic diversity towards high latitudes and a significant IBD pattern that together with ENM predictions suggest that E. chiloensis var. chiloensis experienced range contraction northwards during wet-cold conditions of the LGM, followed by expansion during aridification of the mid-Holocene. In addition to IBD, we detected the presence of a strong barrier to gene flow at 32°30'S, which according to coalescence analysis occurred 44 kyr BP. The resulting genetic clusters differed in realized climatic niche, particularly in the variables related to precipitation. CONCLUSIONS Our results suggest that the cactus E. chiloensis var. chiloensis experienced range contraction and fragmentation during the wet-cold conditions of the LGM, which may have facilitated ecological differentiation between northern and southern populations, promoting incipient speciation.
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Affiliation(s)
- Carmen G Ossa
- Departamento de Ecología, Pontificia Universidad Católica de Chile, Santiago, Chile
- Escuela de Medicina Veterinaria, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
| | - Paz Montenegro
- Institute of Ecology and Biodiversity (IEB), Santiago, Chile
- Departamento de Ciencias Ecológicas, Universidad de Chile, Santiago, Chile
| | - Isabel Larridon
- Royal Botanic Gardens, Kew, Richmond, Surrey, UK
- Research Group Spermatophytes, Department of Biology, Ghent University, Ghent, Belgium
| | - Fernanda Pérez
- Departamento de Ecología, Pontificia Universidad Católica de Chile, Santiago, Chile
- Institute of Ecology and Biodiversity (IEB), Santiago, Chile
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17
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Larridon I, Rabarivola L, Xanthos M, Muasya AM. Revision of the Afro-Madagascan genus Costularia (Schoeneae, Cyperaceae): infrageneric relationships and species delimitation. PeerJ 2019; 7:e6528. [PMID: 30834188 PMCID: PMC6397637 DOI: 10.7717/peerj.6528] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 01/28/2019] [Indexed: 11/20/2022] Open
Abstract
A recent molecular phylogenetic study revealed four distinct evolutionary lineages in the genus Costularia s.l. (Schoeneae, Cyperaceae, Poales). Two lineages are part of the Oreobolus clade of tribe Schoeneae: the first being a much-reduced genus Costularia s.s., and the second a lineage endemic to New Caledonia for which a new genus Chamaedendron was erected. The other two lineages were shown to be part of the Tricostularia clade of tribe Schoeneae. Based on morphological and molecular data, the genus Costularia is here redelimited to represent a monophyletic entity including 15 species, which is restricted in distribution to southeastern Africa (Malawi, Mozambique, South Africa, Swaziland, Zimbabwe), Madagascar, the Mascarenes (La Réunion, Mauritius), and the Seychelles (Mahé). Molecular phylogenetic data based on two nuclear markers (ETS, ITS) and a chloroplast marker (trnL-F) resolve the studied taxa as monophyletic where multiple accessions could be included (except for Costularia laxa and Costularia purpurea, which are now considered conspecific), and indicate that the genus dispersed once to Africa, twice to the Mascarenes, and once to the Seychelles. Two endemic species from Madagascar are here described and illustrated as new to science, as is one additional species endemic to La Réunion. Two taxa previously accepted as varieties of Costularia pantopoda are here recognised at species level (Costularia baronii and Costularia robusta). We provide a taxonomic revision including an identification key, species descriptions and illustrations, distribution maps and assessments of conservation status for all species.
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Affiliation(s)
- Isabel Larridon
- Identification and Naming, Royal Botanic Gardens, Kew, Richmond, Surrey, UK.,Deparment of Biology, Systematic and Evolutionary Botany Lab, Ghent University, Gent, Belgium
| | | | - Martin Xanthos
- Identification and Naming, Royal Botanic Gardens, Kew, Richmond, Surrey, UK
| | - A Muthama Muasya
- Department of Biological Sciences, Bolus Herbarium, University of Cape Town, Rondebosch, South Africa
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Larridon I, Villaverde T, Zuntini AR, Pokorny L, Brewer GE, Epitawalage N, Fairlie I, Hahn M, Kim J, Maguilla E, Maurin O, Xanthos M, Hipp AL, Forest F, Baker WJ. Tackling Rapid Radiations With Targeted Sequencing. Front Plant Sci 2019; 10:1655. [PMID: 31998342 PMCID: PMC6962237 DOI: 10.3389/fpls.2019.01655] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 11/22/2019] [Indexed: 05/19/2023]
Abstract
In phylogenetic studies across angiosperms, at various taxonomic levels, polytomies have persisted despite efforts to resolve them by increasing sampling of taxa and loci. The large amount of genomic data now available and statistical tools to analyze them provide unprecedented power for phylogenetic inference. Targeted sequencing has emerged as a strong tool for estimating species trees in the face of rapid radiations, lineage sorting, and introgression. Evolutionary relationships in Cyperaceae have been studied mostly using Sanger sequencing until recently. Despite ample taxon sampling, relationships in many genera remain poorly understood, hampered by diversification rates that outpace mutation rates in the loci used. The C4 Cyperus clade of the genus Cyperus has been particularly difficult to resolve. Previous studies based on a limited set of markers resolved relationships among Cyperus species using the C3 photosynthetic pathway, but not among C4 Cyperus clade taxa. We test the ability of two targeted sequencing kits to resolve relationships in the C4 Cyperus clade, the universal Angiosperms-353 kit and a Cyperaceae-specific kit. Sequences of the targeted loci were recovered from data generated with both kits and used to investigate overlap in data between kits and relative efficiency of the general and custom approaches. The power to resolve shallow-level relationships was tested using a summary species tree method and a concatenated maximum likelihood approach. High resolution and support are obtained using both approaches, but high levels of missing data disproportionately impact the latter. Targeted sequencing provides new insights into the evolution of morphology in the C4 Cyperus clade, demonstrating for example that the former segregate genus Alinula is polyphyletic despite its seeming morphological integrity. An unexpected result is that the Cyperus margaritaceus-Cyperus niveus complex comprises a clade separate from and sister to the core C4 Cyperus clade. Our results demonstrate that data generated with a family-specific kit do not necessarily have more power than those obtained with a universal kit, but that data generated with different targeted sequencing kits can often be merged for downstream analyses. Moreover, our study contributes to the growing consensus that targeted sequencing data are a powerful tool in resolving rapid radiations.
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Affiliation(s)
- Isabel Larridon
- Royal Botanic Gardens, Kew, Surrey, United Kingdom
- Systematic and Evolutionary Botany Lab, Department of Biology, Ghent University, Ghent, Belgium
- *Correspondence: Isabel Larridon, ; Tamara Villaverde,
| | - Tamara Villaverde
- Real Jardín Botánico (RJB-CSIC), Madrid, Spain
- The Morton Arboretum, Lisle, IL, United States
- The Field Museum, Chicago, IL, United States
- *Correspondence: Isabel Larridon, ; Tamara Villaverde,
| | | | - Lisa Pokorny
- Royal Botanic Gardens, Kew, Surrey, United Kingdom
- Real Jardín Botánico (RJB-CSIC), Madrid, Spain
- Centre for Plant Biotechnology and Genomics (CBGP, UPM-INIA), Madrid, Spain
| | | | | | - Isabel Fairlie
- Royal Botanic Gardens, Kew, Surrey, United Kingdom
- Department of Animal and Plant Sciences, University of Sheffield, Sheffield, United Kingdom
| | | | - Jan Kim
- Royal Botanic Gardens, Kew, Surrey, United Kingdom
| | - Enrique Maguilla
- The Morton Arboretum, Lisle, IL, United States
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Sevilla, Spain
| | | | | | - Andrew L. Hipp
- The Morton Arboretum, Lisle, IL, United States
- The Field Museum, Chicago, IL, United States
| | - Félix Forest
- Royal Botanic Gardens, Kew, Surrey, United Kingdom
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19
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Veltjen E, Asselman P, Hernández Rodríguez M, Palmarola Bejerano A, Testé Lozano E, González Torres LR, Goetghebeur P, Larridon I, Samain MS. Genetic patterns in Neotropical Magnolias (Magnoliaceae) using de novo developed microsatellite markers. Heredity (Edinb) 2018; 122:485-500. [PMID: 30368529 PMCID: PMC6460770 DOI: 10.1038/s41437-018-0151-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 09/01/2018] [Accepted: 09/05/2018] [Indexed: 12/24/2022] Open
Abstract
Conserving tree populations safeguards forests since they represent key elements of the ecosystem. The genetic characteristics underlying the evolutionary success of the tree growth form: high genetic diversity, extensive gene flow and strong species integrity, contribute to their survival in terms of adaptability. However, different biological and landscape contexts challenge these characteristics. This study employs 63 de novo developed microsatellite or SSR (Single Sequence Repeat) markers in different datasets of nine Neotropical Magnolia species. The genetic patterns of these protogynous, insect-pollinated tree species occurring in fragmented, highly-disturbed landscapes were investigated. Datasets containing a total of 340 individuals were tested for their genetic structure and degree of inbreeding. Analyses for genetic structure depicted structuring between species, i.e. strong species integrity. Within the species, all but one population pair were considered moderate to highly differentiated, i.e. no indication of extensive gene flow between populations. No overall correlation was observed between genetic and geographic distance of the pairwise species’ populations. In contrast to the pronounced genetic structure, there was no evidence of inbreeding within the populations, suggesting mechanisms favouring cross pollination and/or selection for more genetically diverse, heterozygous offspring. In conclusion, the data illustrate that the Neotropical Magnolias in the context of a fragmented landscape still have ample gene flow within populations, yet little gene flow between populations.
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Affiliation(s)
- Emily Veltjen
- Research Group Spermatophytes, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, Gent, 9000, Belgium.
| | - Pieter Asselman
- Research Group Spermatophytes, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, Gent, 9000, Belgium.,Botanic Garden Meise, Nieuwelaan 38, Meise, 1860, Belgium
| | - Majela Hernández Rodríguez
- Departamento de Biología Vegetal, Facultad de Biología, Universidad de La Habana, C/ 25 e/ I y J, Vedado, La Habana, Cuba
| | - Alejandro Palmarola Bejerano
- Grupo de Ecología y Conservación, Jardín Botánico Nacional, Universidad de La Habana, Carretera "El Rocio" km 3 ½, Boyeros, La Habana, Cuba
| | - Ernesto Testé Lozano
- Departamento de Biología Vegetal, Facultad de Biología, Universidad de La Habana, C/ 25 e/ I y J, Vedado, La Habana, Cuba
| | | | - Paul Goetghebeur
- Research Group Spermatophytes, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, Gent, 9000, Belgium
| | - Isabel Larridon
- Research Group Spermatophytes, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, Gent, 9000, Belgium.,Royal Botanic Gardens, Kew, Surrey, Richmond, TW9 3AE, UK
| | - Marie-Stéphanie Samain
- Research Group Spermatophytes, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, Gent, 9000, Belgium.,Red de Diversidad Biológica del Occidente Mexicano, Instituto de Ecología, A.C., Avenida Lázaro Cárdenas 253, Pátzcuaro, Michoacán, 61600, Mexico
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20
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Bauters K, Goetghebeur P, Asselman P, Meganck K, Larridon I. Molecular phylogenetic study of Scleria subgenus Hypoporum (Sclerieae, Cyperoideae, Cyperaceae) reveals several species new to science. PLoS One 2018; 13:e0203478. [PMID: 30260979 PMCID: PMC6160245 DOI: 10.1371/journal.pone.0203478] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 08/04/2018] [Indexed: 11/18/2022] Open
Abstract
Scleria subgen. Hypoporum (Cyperaceae), with 68 species, is the second largest subgenus in Scleria. Species of this pantropically distributed subgenus generally occur in seasonally or permanently wet grasslands or on shallow soils over sandstone or lateritic outcrops, less often they can be found in (open) woodlands. Previous studies established the monophyly of the subgenus, but the relationships between the species remained uncertain. In this study, DNA sequence data of 61 taxa of Scleria subgen. Hypoporum, where possible represented by multiple accessions from across their distributional range, were obtained for four molecular markers: the coding chloroplast marker ndhF, the chloroplast intron rps16 and the nuclear ribosomal regions ETS and ITS. Phylogenetic trees were constructed using Bayesian inference and maximum likelihood approaches. A species tree was constructed to summarise the results. The results indicate the existence of three sections: the monotypic, pantropically occurring, Scleria sect. Lithospermae, a new section from central and south America containing two species, and Scleria sect. Hypoporum, also pantropically distributed, containing the remainder of the species of the subgenus. Relationships in the latter section are not fully resolved. However, three or four different clades can be distinguished supported by some morphological characters. Our results indicate at least six new species in Scleria sect. Hypoporum. The new section and species are described in a taxonomical treatment. Their morphology is compared with (morphologically) closely related species.
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Affiliation(s)
- Kenneth Bauters
- Botanic Garden Meise, Meise, Belgium
- Ghent University, Department of Biology, Research Group Spermatophytes, Campus Ledeganck, Ghent, Belgium
- * E-mail:
| | - Paul Goetghebeur
- Ghent University, Department of Biology, Research Group Spermatophytes, Campus Ledeganck, Ghent, Belgium
| | - Pieter Asselman
- Botanic Garden Meise, Meise, Belgium
- Ghent University, Department of Biology, Research Group Spermatophytes, Campus Ledeganck, Ghent, Belgium
| | - Kenny Meganck
- Ghent University, Department of Biology, Research Group Spermatophytes, Campus Ledeganck, Ghent, Belgium
- Royal Museum for Central Africa, Tervuren, Belgium
| | - Isabel Larridon
- Ghent University, Department of Biology, Research Group Spermatophytes, Campus Ledeganck, Ghent, Belgium
- Royal Botanic Gardens, Kew, Richmond, Surrey, United Kingdom
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21
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Larridon I, Walter HE, Rosas M, Vandomme V, Guerrero PC. Evolutionary trends in the columnar cactus genus Eulychnia (Cactaceae) based on molecular phylogenetics, morphology, distribution, and habitat. SYST BIODIVERS 2018. [DOI: 10.1080/14772000.2018.1473898] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Isabel Larridon
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
- Department of Biology, Research Group Spermatophytes, Ghent University, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
| | - Helmut E. Walter
- The EXSIS Project: Cactaceae Ex-Situ & In-Situ Conservation, 31860, Emmerthal, Germany
| | - Marcelo Rosas
- Departamento de Botánica, Facultad de Ciencias Naturales & Oceanográficas, Universidad de Concepción, Casilla 160C, Concepción, Chile
| | - Viki Vandomme
- Department of Biology, Research Group Spermatophytes, Ghent University, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
| | - Pablo C. Guerrero
- Departamento de Botánica, Facultad de Ciencias Naturales & Oceanográficas, Universidad de Concepción, Casilla 160C, Concepción, Chile
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22
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Cheek M, Alvarez-Aguirre MG, Grall A, Sonké B, Howes MJR, Larridon I. Kupeantha (Coffeeae, Rubiaceae), a new genus from Cameroon and Equatorial Guinea. PLoS One 2018; 13:e0199324. [PMID: 29944676 PMCID: PMC6019108 DOI: 10.1371/journal.pone.0199324] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 05/19/2018] [Indexed: 01/27/2023] Open
Abstract
Two new coffee relatives (tribe Coffeeae, Rubiaceae), discovered during botanical expeditions to Cameroon, are examined for generic placement, and the placement of three previously known species (Argocoffeopsis fosimondi, A. spathulata and Calycosiphonia pentamera) is reinvestigated using plastid sequence (accD-psa1, rpl16, trnL-F) and morphological data. Seed biochemistry of the new species and pollen micromorphology (only one of the two species) are also studied. Based on the plastid sequence data, the new taxa are nested in a well-supported monophyletic group that includes Argocoffeopsis and Calycosiphonia. Within this clade, three well-supported subclades are recovered that are morphologically easy to diagnose: (1) Calycosiphonia (excluding C. pentamera), (2) Argocoffeopsis (excluding A. fosimondi and A. spathulata), and (3) a clade including the above excluded species, in addition to the new species. Based on the results, Kupeantha, a new genus of five species, is described, including two new Critically Endangered taxa from the Highlands of Cameroon: Kupeantha ebo and K. kupensis. Phytochemical analysis of Kupeantha seeds reveals compounds assigned as hydroxycinnamic acid derivatives, amino acids and ent-kaurane diterpenoids; caffeine was not detected. Kupeantha is the first new genus described in tribe Coffeeae in 40 years.
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Affiliation(s)
- Martin Cheek
- Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey, United Kingdom
- * E-mail: (MC); (IL)
| | | | - Aurélie Grall
- Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey, United Kingdom
| | - Bonaventure Sonké
- University of Yaoundé I, Higher Teacher’s Training College, Plant Systematic and Ecology Laboratory, Yaoundé, Cameroon
- Université Libre de Bruxelles, Herbarium et Bibliothèque de Botanique africaine, Brussels, Belgium
- Missouri Botanical Garden, St. Louis, Missouri, United States of America
| | | | - Isabel Larridon
- Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey, United Kingdom
- Ghent University, Department of Biology, Research Group Spermatophytes, Campus Ledeganck, Ghent, Belgium
- * E-mail: (MC); (IL)
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23
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Cheek M, Magassouba S, Howes MJR, Doré T, Doumbouya S, Molmou D, Grall A, Couch C, Larridon I. Kindia (Pavetteae, Rubiaceae), a new cliff-dwelling genus with chemically profiled colleter exudate from Mt Gangan, Republic of Guinea. PeerJ 2018; 6:e4666. [PMID: 29692954 PMCID: PMC5912204 DOI: 10.7717/peerj.4666] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Accepted: 04/04/2018] [Indexed: 11/20/2022] Open
Abstract
A new genus Kindia (Pavetteae, Rubiaceae) is described with a single species, Kindia gangan, based on collections made in 2016 during botanical exploration of Mt Gangan, Kindia, Republic of Guinea in West Africa. The Mt Gangan area is known for its many endemic species including the only native non-neotropical Bromeliaceae Pitcairnia feliciana. Kindia is the fourth endemic vascular plant genus to be described from Guinea. Based on chloroplast sequence data, the genus is part of Clade II of tribe Pavetteae. In this clade, it is sister to Leptactina sensu lato (including Coleactina and Dictyandra). K. gangan is distinguished from Leptactina s.l. by the combination of the following characters: its epilithic habit; several-flowered axillary inflorescences; distinct calyx tube as long as the lobes; a infundibular-campanulate corolla tube with narrow proximal section widening abruptly to the broad distal section; presence of a dense hair band near base of the corolla tube; anthers and style deeply included, reaching about mid-height of the corolla tube; anthers lacking connective appendages and with sub-basal insertion; pollen type 1; pollen presenter (style head) winged and glabrous (smooth and usually hairy in Leptactina); orange colleters producing a vivid red exudate, which encircle the hypanthium, and occur inside the calyx and stipules. Kindia is a subshrub that appears restricted to bare, vertical rock faces of sandstone. Fruit dispersal and pollination by bats is postulated. Here, it is assessed as Endangered EN D1 using the 2012 IUCN standard. High resolution LC-MS/MS analysis revealed over 40 triterpenoid compounds in the colleter exudate, including those assigned to the cycloartane class. Triterpenoids are of interest for their diverse chemical structures, varied biological activities, and potential therapeutic value.
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Affiliation(s)
- Martin Cheek
- Identification and Naming, Royal Botanic Gardens Kew, Richmond, Surrey, United Kingdom
| | - Sékou Magassouba
- Herbier National de Guinée, Université de Gamal Abdel Nasser de Conakry, Conakry, République de Guinée
| | - Melanie-Jayne R Howes
- Natural Capital and Plant Health, Royal Botanic Gardens Kew, Richmond, Surrey, United Kingdom
| | - Tokpa Doré
- Herbier National de Guinée, Université de Gamal Abdel Nasser de Conakry, Conakry, République de Guinée
| | - Saïdou Doumbouya
- Centre d'Observation de Surveillance et d'Informations Environnementales, Ministère de l'Environnement et des Eaux et Forêts, Conakry, Guinea-Conakry
| | - Denise Molmou
- Herbier National de Guinée, Université de Gamal Abdel Nasser de Conakry, Conakry, République de Guinée
| | - Aurélie Grall
- Identification and Naming, Royal Botanic Gardens Kew, Richmond, Surrey, United Kingdom
| | - Charlotte Couch
- Identification and Naming, Royal Botanic Gardens Kew, Richmond, Surrey, United Kingdom
| | - Isabel Larridon
- Identification and Naming, Royal Botanic Gardens Kew, Richmond, Surrey, United Kingdom.,Department of Biology, Research Group Spermatophytes, Ghent University, Ghent, Belgium
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24
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Larridon I, Bauters K, Semmouri I, Viljoen JA, Prychid CJ, Muasya AM, Bruhl JJ, Wilson KL, Senterre B, Goetghebeur P. Molecular phylogenetics of the genus Costularia (Schoeneae, Cyperaceae) reveals multiple distinct evolutionary lineages. Mol Phylogenet Evol 2018; 126:196-209. [PMID: 29679713 DOI: 10.1016/j.ympev.2018.04.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 02/09/2018] [Accepted: 04/09/2018] [Indexed: 12/01/2022]
Abstract
We investigated the monophyly of Costularia (25 species), a genus of tribe Schoeneae (Cyperaceae) that illustrates a remarkable distribution pattern from southeastern Africa, over Madagascar, the Mascarenes and Seychelles, to Malesia and New Caledonia. A further species, Tetraria borneensis, has been suggested to belong to Costularia. Relationships and divergence times were inferred using an existing four marker phylogeny of Cyperaceae tribe Schoeneae expanded with newly generated sequence data mainly for Costularia s.l. species. Phylogenetic reconstruction was executed using Bayesian inference and maximum likelihood approaches. Divergence times were estimated using a relaxed molecular clock model, calibrated with fossil data. Based on our results, Tetraria borneensis is not related to the species of Costularia. Costularia s.l. is composed of four distinct evolutionary lineages. Two lineages, one including the type species, are part of the Oreobolus clade, i.e. a much reduced genus Costularia restricted to southeastern Africa, Madagascar, the Mascarenes and Seychelles, and a small endemic genus from New Caledonia for which a new genus Chamaedendron is erected based on Costularia subgenus Chamaedendron. The other two lineages are part of the Tricostularia clade, i.e. a separate single-species lineage from the Seychelles for which a new genus (Xyroschoenus) is described, and Costularia subgenus Lophoschoenus. For the latter, more research is needed to test whether they are congeneric with the species placed in the reticulate-sheathed Tetraria clade.
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Affiliation(s)
- Isabel Larridon
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK; Ghent University, Department of Biology, Research Group Spermatophytes, K.L. Ledeganckstraat 35, 9000 Gent, Belgium.
| | - Kenneth Bauters
- Ghent University, Department of Biology, Research Group Spermatophytes, K.L. Ledeganckstraat 35, 9000 Gent, Belgium; Botanic Garden Meise, Nieuwelaan 38, 1860 Meise, Belgium
| | - Ilias Semmouri
- Ghent University, Department of Biology, Research Group Spermatophytes, K.L. Ledeganckstraat 35, 9000 Gent, Belgium; Ghent University, Faculty of Bioscience Engineering, Laboratory of Environmental Toxicology and Aquatic Ecology, 9000 Gent, Belgium
| | | | | | - A Muthama Muasya
- University of Cape Town, Department of Biological Sciences, Bolus Herbarium, Private Bag X3, Rondebosch 7701, South Africa
| | - Jeremy J Bruhl
- University of New England, School of Environmental and Rural Science, Armidale, New South Wales 2351, Australia
| | - Karen L Wilson
- National Herbarium of New South Wales, Royal Botanic Gardens and Domain Trust, Sydney, New South Wales 2000, Australia
| | - Bruno Senterre
- Island Biodiversity & Conservation Centre, University of Seychelles, P.O. Box 1348, Anse Royale, Mahé, Seychelles; Université Libre de Bruxelles, Evolutionary Biology & Ecology, CP 160/12, 50 Av. F. Roosevelt, 1050 Bruxelles, Belgium
| | - Paul Goetghebeur
- Ghent University, Department of Biology, Research Group Spermatophytes, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
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25
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Ossa CG, Larridon I, Peralta G, Asselman P, Pérez F. Development of microsatellite markers using next-generation sequencing for the columnar cactus Echinopsis chiloensis (Cactaceae). Mol Biol Rep 2016; 43:1315-1320. [PMID: 27631640 DOI: 10.1007/s11033-016-4069-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 08/22/2016] [Indexed: 10/21/2022]
Abstract
The aim of this study was to develop microsatellite markers as a tool to study population structure, genetic diversity and effective population size of Echinopsis chiloensis, an endemic cactus from arid and semiarid regions of Central Chile. We developed 12 polymorphic microsatellite markers for E. chiloensis using next-generation sequencing and tested them in 60 individuals from six sites, covering all the latitudinal range of this species. The number of alleles per locus ranged from 3 to 8, while the observed (Ho) and expected (He) heterozygosity ranged from 0.0 to 0.80 and from 0.10 to 0.76, respectively. We also detected significant differences between sites, with FST values ranging from 0.05 to 0.29. Microsatellite markers will enable us to estimate genetic diversity and population structure of E. chiloensis in future ecological and phylogeographic studies.
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Affiliation(s)
- Carmen G Ossa
- Departamento de Ecología, Pontificia Universidad Católica de Chile, Alameda 340, Santiago, Chile. .,Institute of Ecology and Biodiversity (IEB), Casilla 653, Santiago, Chile.
| | - Isabel Larridon
- Research Group Spermatophytes, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000, Ghent, Belgium.,Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
| | - Gioconda Peralta
- Departamento de Ecología, Pontificia Universidad Católica de Chile, Alameda 340, Santiago, Chile
| | - Pieter Asselman
- Research Group Spermatophytes, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000, Ghent, Belgium
| | - Fernanda Pérez
- Departamento de Ecología, Pontificia Universidad Católica de Chile, Alameda 340, Santiago, Chile.,Institute of Ecology and Biodiversity (IEB), Casilla 653, Santiago, Chile
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26
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Larridon I, Walter HE, Guerrero PC, Duarte M, Cisternas MA, Hernández CP, Bauters K, Asselman P, Goetghebeur P, Samain MS. An integrative approach to understanding the evolution and diversity of Copiapoa (Cactaceae), a threatened endemic Chilean genus from the Atacama Desert. Am J Bot 2015; 102:1506-20. [PMID: 26373974 DOI: 10.3732/ajb.1500168] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Accepted: 08/19/2015] [Indexed: 05/27/2023]
Abstract
PREMISE OF THE STUDY Species of the endemic Chilean cactus genus Copiapoa have cylindrical or (sub)globose stems that are solitary or form (large) clusters and typically yellow flowers. Many species are threatened with extinction. Despite being icons of the Atacama Desert and well loved by cactus enthusiasts, the evolution and diversity of Copiapoa has not yet been studied using a molecular approach. METHODS Sequence data of three plastid DNA markers (rpl32-trnL, trnH-psbA, ycf1) of 39 Copiapoa taxa were analyzed using maximum likelihood and Bayesian inference approaches. Species distributions were modeled based on geo-referenced localities and climatic data. Evolution of character states of four characters (root morphology, stem branching, stem shape, and stem diameter) as well as ancestral areas were reconstructed using a Bayesian and maximum likelihood framework, respectively. KEY RESULTS Clades of species are revealed. Though 32 morphologically defined species can be recognized, genetic diversity between some species and infraspecific taxa is too low to delimit their boundaries using plastid DNA markers. Recovered relationships are often supported by morphological and biogeographical patterns. The origin of Copiapoa likely lies between southern Peru and the extreme north of Chile. The Copiapó Valley limited colonization between two biogeographical areas. CONCLUSIONS Copiapoa is here defined to include 32 species and five heterotypic subspecies. Thirty species are classified into four sections and two subsections, while two species remain unplaced. A better understanding of evolution and diversity of Copiapoa will allow allocating conservation resources to the most threatened lineages and focusing conservation action on real biodiversity.
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Affiliation(s)
- Isabel Larridon
- Ghent University Research Group Spermatophytes & Botanical Garden, K.L. Ledeganckstraat 35, 9000 Gent, Belgium Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, UK
| | - Helmut E Walter
- The EXSIS Project: Cactaceae Ex-Situ & In-Situ Conservation, Casilla 175, Buin, Chile
| | - Pablo C Guerrero
- Departamento de Botánica, Facultad de Ciencias Naturales & Oceanográficas, Universidad de Concepción, Casilla 160C, Concepción, Chile Instituto de Ecología & Biodiversidad, Universidad de Chile, Casilla 653, Santiago, Chile
| | - Milén Duarte
- Instituto de Ecología & Biodiversidad, Universidad de Chile, Casilla 653, Santiago, Chile Departamento de Ciencias Ecológicas, Universidad de Chile, Las Palmeras 3425, Chile
| | - Mauricio A Cisternas
- Jardín Botánico Nacional, Camino El Olivar 305 El Salto, Viña del Mar, Chile Facultad de Ciencias Agronómicas y de Los Alimentos, Pontificia Universidad Católica de Valparaíso, Casilla 4-D, Quillota, Chile
| | - Carol Peña Hernández
- Departamento de Botánica, Facultad de Ciencias Naturales & Oceanográficas, Universidad de Concepción, Casilla 160C, Concepción, Chile
| | - Kenneth Bauters
- Ghent University Research Group Spermatophytes & Botanical Garden, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
| | - Pieter Asselman
- Ghent University Research Group Spermatophytes & Botanical Garden, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
| | - Paul Goetghebeur
- Ghent University Research Group Spermatophytes & Botanical Garden, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
| | - Marie-Stéphanie Samain
- Ghent University Research Group Spermatophytes & Botanical Garden, K.L. Ledeganckstraat 35, 9000 Gent, Belgium Instituto de Ecología, A.C., Centro Regional del Bajío, Avenida Lázaro Cárdenas 253 61600 Pátzcuaro, Michoacán, Mexico
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Vrijdaghs A, Reynders M, Larridon I, Muasya AM, Smets E, Goetghebeur P. Spikelet structure and development in Cyperoideae (Cyperaceae): a monopodial general model based on ontogenetic evidence. Ann Bot 2010; 105:555-71. [PMID: 20197291 PMCID: PMC2850794 DOI: 10.1093/aob/mcq010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2009] [Revised: 12/09/2009] [Accepted: 12/18/2009] [Indexed: 05/26/2023]
Abstract
BACKGROUND AND AIMS In Cyperoideae, one of the two subfamilies in Cyperaceae, unresolved homology questions about spikelets remained. This was particularly the case in taxa with distichously organized spikelets and in Cariceae, a tribe with complex compound inflorescences comprising male (co)florescences and deciduous female single-flowered lateral spikelets. Using ontogenetic techniques, a wide range of taxa were investigated, including some controversial ones, in order to find morphological arguments to understand the nature of the spikelet in Cyperoideae. This paper presents a review of both new ontogenetic data and current knowledge, discussing a cyperoid, general, monopodial spikelet model. METHODS Scanning electron microscopy and light microscopy were used to examine spikelets of 106 species from 33 cyperoid genera. RESULTS Ontogenetic data presented allow a consistent cyperoid spikelet model to be defined. Scanning and light microscopic images in controversial taxa such as Schoenus nigricans, Cariceae and Cypereae are interpreted accordingly. CONCLUSIONS Spikelets in all species studied consist of an indeterminate rachilla, and one to many spirally to distichously arranged glumes, each subtending a flower or empty. Lateral spikelets are subtended by a bract and have a spikelet prophyll. In distichously organized spikelets, combined concaulescence of the flowers and epicaulescence (a newly defined metatopic displacement) of the glumes has caused interpretational controversy in the past. In Cariceae, the male (co)florescences are terminal spikelets. Female single-flowered spikelets are positioned proximally on the rachis. To explain both this and the secondary spikelets in some Cypereae, the existence of an ontogenetic switch determining the development of a primordium into flower, or lateral axis is postulated.
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Affiliation(s)
- Alexander Vrijdaghs
- Laboratory of Plant Systematics, Institute of Botany & Microbiology, K.U. Leuven, B-3001 Heverlee (Leuven), Belgium.
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