Towards a new classification system for legumes: Progress report from the 6th International Legume Conference |
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| Affiliation: | 1. Laboratório de Sistemática Vegetal, Departamento de Botânica, Universidade de São Paulo, Rua do Matão, 277, São Paulo 05508-090, Brazil;2. Institut de recherche en biologie végétale and Département de Sciences biologiques, Université de Montréal, 4101 Sherbrooke East, Montreal, QC H1X 2B2, Canada;3. Departamento de Ciências Biológicas, Universidade Estadual de Feira de Santana, Av. Transnordestina, s/n, Novo Horizonte, 44036-900 Feira de Santana, Bahia, Brazil;4. Research School of Biology, The Australian National University, Canberra, ACT 0200, Australia;5. Departamento de Botánica, Instituto de Biología, UNAM, Apartado Postal 70-233, 04510 Mexico, D.F., Mexico;6. Department of Plant Biology, 412 Mann Library Building, Cornell University, Ithaca, NY 14853, USA;7. Department of Biology, North Carolina Center for Biodiversity, Howell Science Complex, Mailstop 551 East Carolina University Greenville, NC 27858-4353, USA;8. Chicago Botanic Garden, 1000 Lake Cook Road, Glencoe, IL 60022, USA;9. Institute for Systematic Botany, University of Zurich, Zollikerstrasse 107, 8008 Zurich, Switzerland;10. Royal Botanic Garden Edinburgh, 20a Inverleith Row, Edinburgh EH3 5LR, UK;11. Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, UK;12. Department of Plant Sciences and Plant Pathology, Montana State University, Bozeman 59717, USA;13. Agrocampus Ouest, UMR1345 IRHS, 2 rue le Nôtre, 49045 Angers Cedex 01, France;14. Centre for Australian National Biodiversity Research, CSIRO Plant Industry, The Australian National Herbarium, GPO Box 1600, Canberra, ACT 2601, Australia;15. Embrapa Recursos Genéticos e Biotecnologia, PqEB, Caixa Postal 02372, 70770-917 Brasília-DF, Brazil;p. School of Letters and Sciences, Arizona State University Polytechnic, 6073 S. Backus Mall, Mesa, AZ 852812, USA;q. Institute of Systematic Botany, The New York Botanical Garden, Bronx, NY 10458, USA;r. Netherlands Centre for Biodiversity Naturalis (section NHN), Herbarium Vadense, Biosystematics Group, Wageningen Univ., Generaal Foulkesweg 37, NL-6703 BL Wageningen, Netherlands;s. School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, USA;t. Department of Biodiversity and Conservation Biology, University of the Western Cape, Private Bag x17, Belville, 7535 Cape Town, South Africa;u. Departamento de Botánica, Ecología y Fisiología Vegetal, Universidad de Córdoba, Facultad de Ciencias, Campus de Rabanales, Edificio José Celestino Mutis, Ctra. de Madrid km. 396, 14071 Córdoba, Spain;v. Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Diretoria de Pesquisas, Rua Pacheco Leão 915, Rio de Janeiro, RJ 22460-030, Brazil;w. CONICET & Cátedra de Botánica, Facultad de Ciencias Agrarias, UNR. Campo Experimental Villarino, C.C. Nº 14, S2125ZAA Zavalla, Santa Fe, Argentina;x. Department of Biological Sciences, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa;y. Institute of Pharmacy & Molecular Biotechnology (IPMB), Director Division Biology, Heidelberg University, Im Neuenheimer Feld 364, D-69120 Heidelberg, Germany |
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| Abstract: | Legume systematists have been making great progress in understanding evolutionary relationships within the Leguminosae (Fabaceae), the third largest family of flowering plants. As the phylogenetic picture has become clearer, so too has the need for a revised classification of the family. The organization of the family into three subfamilies and 42 tribes is outdated and evolutionarily misleading. The three traditionally recognized subfamilies, Caesalpinioideae, Mimosoideae, and Papilionoideae, do not adequately represent relationships within the family. The occasion of the Sixth International Legume Conference in Johannesburg, South Africa in January 2013, with its theme “Towards a new classification system for legumes,” provided the impetus to move forward with developing a new classification. A draft classification, based on current phylogenetic results and a set of principles and guidelines, was prepared in advance of the conference as the basis for discussion. The principles, guidelines, and draft classification were presented and debated at the conference. The objectives of the discussion were to develop consensus on the principles that should guide the development of the classification, to discuss the draft classification's strengths and weaknesses and make proposals for its revision, and identify and prioritize phylogenetic deficiencies that must be resolved before the classification could be published. This paper describes the collaborative process by a large group of legume systematists, publishing under the name Legume Phylogeny Working Group, to develop a new phylogenetic classification system for the Leguminosae. The goals of this paper are to inform the broader legume community, and others, of the need for a revised classification, and spell out clearly what the alternatives and challenges are for a new classification system for the family. |
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