The Leguminosae, the third-largest angiosperm family, has a global distribution and high ecological and economic importance. We examine how the legume systematic research community might join forces to produce a comprehensive phylogenetic estimate for the ca. 751 genera and ca. 19,500 species of legumes and then translate it into a phylogeny-based classification. We review the current state of knowledge of legume phylogeny and highlight where problems lie, for example in taxon sampling and phylogenetic resolution. We review approaches from bioinformatics and next-generation sequencing, which can facilitate the production of better phylogenetic estimates. Finally, we examine how morphology can be incorporated into legume phylogeny to address issues in comparative biology and classification. Our goal is to stimulate the research needed to improve our knowledge of legume phylogeny and evolution; the approaches that we discuss may also be relevant to other species-rich angiosperm clades. Fil: Bruneau, Anne. University of Montreal; Canadá Fil: Doyle, Jeff J.. Cornell University; Estados Unidos Fil: Herendeen, Patrick. Chicago Botanic Garden; Estados Unidos Fil: Hughes, Colin. Universitat Zurich; Suiza Fil: Kenicer, Greg. Royal Botanic Garden Edinburgh; Reino Unido Fil: Lewis, Gwilym. Royal Botanic Gardens; Reino Unido Fil: Mackinder, Barbara. Royal Botanic Gardens; Reino Unido. Royal Botanic Garden Edinburgh; Reino Unido Fil: Pennington, R. Toby. Royal Botanic Garden Edinburgh; Reino Unido Fil: Sanderson, Michael J.. University of Arizona; Estados Unidos Fil: Wojciechowski, Martin F.. Arizona State University; Estados Unidos Fil: Boatwright, Stephen. University of the Western Cape; Sudáfrica Fil: Brown, Gillian. The University of Melbourne; Australia Fil: Cardoso, Domingos. Universidade Estadual de Feira de Santana; Brasil Fil: Crisp, Michael. Australian National University; Australia Fil: Egan, Ashley. East Carolina University; Estados Unidos Fil: Fortunato, Renée Hersilia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación de Recursos Naturales. Instituto de Recursos Biológicos; Argentina Fil: Hawkins, Julie. University of Reading; Reino Unido Fil: Kajita, Tadashi. Chiba University; Japón Fil: Klitgaard, Bente. Royal Botanic Gardens; Reino Unido Fil: Koenen, Erik. Universitat Zurich; Suiza Fil: Lavin, Matt. State University of Montana; Estados Unidos Fil: Luckow, Melissa. Cornell University; Estados Unidos Fil: Marazzi, Brigitte. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: McMahon, Michelle M.. University of Arizona; Estados Unidos Fil: Miller, Joseph T.. Australian National Herbarium. CSIRO Plant Industry. Centre for Australian National Biodiversity Research; Australia Fil: Murphy, Daniel J.. Royal Botanic Gardens Melbourne; Australia Fil: Ohashi, Hiroyoshi. Tohoku University; Japón Fil: Queiroz, Luciano P. de. Universidade Estadual de Feira de Santana; Brasil Fil: Rico, Lourdes. Royal Botanic Gardens; Reino Unido Fil: Särkinen, Tiina. Natural History Museum; Reino Unido Fil: Schrire, Brian. Royal Botanic Gardens; Reino Unido Fil: Simon, Marcelo F.. Embrapa Recursos Genéticos e Biotecnologia; Brasil Fil: Souza, Elvia R.. Universidade Estadual de Feira de Santana; Brasil Fil: Steele, Kelly. Arizona State University; Estados Unidos Fil: Torke, Benjamin M.. New York Botanical Garden; Estados Unidos Fil: Wieringa, Jan J.. University of Agriculture Wageningen; Países Bajos. Wageningen University. Netherlands Centre for Biodiversity Naturalis; Países Bajos Fil: van Wyk, Ben Erik. University of Johannesburgo; Sudáfrica Fil: Legume Phylogeny Working Group. No especifica