Advances in Legume Systematics 14. Classification of Caesalpinioideae. Part 2: Higher-level classification

Bruneau, Anne; De Queiroz, Luciano P.; Ringelberg, Jens J.; Borges, Leonardo M.; Bortoluzzi, Roseli Lopes da Costa; Brown, Gillian K.; Cardoso, Domingos Ben&#237;cio Oliveira Silva; Clark, Ruth P.; Concei&#231;&#227;o, Adilva de Souza; Cota, Matheus Martins Teixeira; Demeulenaere, Else; Duno de Stefano, Rodrigo; Ebinger, John E.; Ferm, Julia; Fonseca-Cort&#233;s, Andr&#233;s; Gagnon, Edeline; Grether Gonzalez, Rosaura; Guerra, Ethi&#233;ne; Haston, Elspeth; Herendeen, Patrick S; Hernandez, Hector M; Hopkins, Helen C. F.; Huamantupa-Chuquimaco, Isau; Hughes, Colin E.; Ickert-Bond, Stefanie M; Iganci, Jo&#227;o R.; Koenen, Erik J M; Lewis, Gwilym Peter; Lima, Haroldo Cavalcante de,; De Lima, Alexandre G.; Luckow, Melissa; Marazzi, Brigitte; Maslin, B. R.; Morales, Mat&#237;as; Lima, Marli Pires Morim de; Murphy, Daniel J; O’donnell, Shawn A.; Oliveira, Filipe Gomes; Oliveira, Ana Carla Da Silva; Rando, Juliana Gastaldello; Ribeiro, Petala Gomes; Ribeiro, Carolina Lima; Santos, Felipe Da Silva; Seigler, David S; Da Silva, Guilherme Sousa; Simon, Marcelo Fragomeni; Vinicius Batista Soares, Marcos; Terra, Vanessa

doi:10.3897/phytokeys.240.101716

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Article: Advances in Legume Systematics 14. Classification of Caesalpinioideae. Part 2: Higher-level classification

Title

Advances in Legume Systematics 14. Classification of Caesalpinioideae. Part 2: Higher-level classification

By

Bruneau, Anne De Queiroz, Luciano P. Ringelberg, Jens J. Borges, Leonardo M. Bortoluzzi, Brown, Gillian K. Cardoso, Domingos Clark, Ruth P. Conceição, Cota, Matheus Martins Teixeira Demeulenaere, Else Duno de Stefano, Rodrigo Ebinger, John E. Ferm, Julia Fonseca-Cortés, Andrés Gagnon, Edeline Grether Gonzalez, Rosaura Guerra, Ethiéne Haston, Elspeth Herendeen, Patrick S Hernandez, Hector M Hopkins, Helen C. F. Huamantupa-Chuquimaco, Isau Hughes, Colin E. Ickert-Bond, Stefanie M Iganci, João R. Koenen, Erik J M Lewis, Gwilym Peter Lima, Haroldo Cavalcante de, De Lima, Alexandre G. Luckow, Melissa Marazzi, Brigitte Maslin, B. R. Morales, Matías Lima, Marli Pires Morim de Murphy, Daniel J O’donnell, Shawn A. Oliveira, Filipe Gomes Oliveira, Ana Carla Da Silva Rando, Juliana Gastaldello Ribeiro, Petala Gomes Ribeiro, Carolina Lima Santos, Felipe Da Silva Seigler, David S Da Silva, Guilherme Sousa Simon, Marcelo Fragomeni Vinicius Batista Soares, Marcos Terra, Vanessa

Roseli Lopes da Costa

Benício Oliveira Silva

Adilva de Souza

(John Edwin), 1933-

1955-

(Bruce Roger), 1946-

Type

Article

Date of Publication

2024-4-3

Original Publication

PhytoKeys

Volume

240

Pages

1--552

Subjects

Classification , diversity , Fabaceae , Leguminosae , Mimosoideae , phylogenomics , phylogenomics , phylogenomics , taxonomy

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers [2010]-

Identifiers

DOI: https://doi.org/10.3897/phytokeys.240.101716

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Rights: https://biodiversitylibrary.org/permissions
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Rights Holder: Copyright held by individual article author(s).

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Caesalpinioideae is the second largest subfamily of legumes (Leguminosae) with ca. 4680 species and 163 genera. It is an ecologically and economically important group formed of mostly woody perennials that range from large canopy emergent trees to functionally herbaceous geoxyles, lianas and shrubs, and which has a global distribution, occurring on every continent except Antarctica. Following the recent re-circumscription of 15 Caesalpinioideae genera as presented in Advances in Legume Systematics 14, Part 1, and using as a basis a phylogenomic analysis of 997 nuclear gene sequences for 420 species and all but five of the genera currently recognised in the subfamily, we present a new higher-level classification for the subfamily. The new classification of Caesalpinioideae comprises eleven tribes, all of which are either new, reinstated or re-circumscribed at this rank: Caesalpinieae Rchb. (27 genera / ca. 223 species), Campsiandreae LPWG (2 / 5–22), Cassieae Bronn (7 / 695), Ceratonieae Rchb. (4 / 6), Dimorphandreae Benth. (4 / 35), Erythrophleeae LPWG (2 /13), Gleditsieae Nakai (3 / 20), Mimoseae Bronn (100 / ca. 3510), Pterogyneae LPWG (1 / 1), Schizolobieae Nakai (8 / 42–43), Sclerolobieae Benth. & Hook. f. (5 / ca. 113). Although many of these lineages have been recognised and named in the past, either as tribes or informal generic groups, their circumscriptions have varied widely and changed over the past decades, such that all the tribes described here differ in generic membership from those previously recognised. Importantly, the approximately 3500 species and 100 genera of the former subfamily Mimosoideae are now placed in the reinstated, but newly circumscribed, tribe Mimoseae. Because of the large size and ecological importance of the tribe, we also provide a clade-based classification system for Mimoseae that includes 17 named lower-level clades. Fourteen of the 100 Mimoseae genera remain unplaced in these lower-level clades: eight are resolved in two grades and six are phylogenetically isolated monogeneric lineages. In addition to the new classification, we provide a key to genera, morphological descriptions and notes for all 163 genera, all tribes, and all named clades. The diversity of growth forms, foliage, flowers and fruits are illustrated for all genera, and for each genus we also provide a distribution map, based on quality-controlled herbarium specimen localities. A glossary for specialised terms used in legume morphology is provided. This new phylogenetically based classification of Caesalpinioideae provides a solid system for communication and a framework for downstream analyses of biogeography, trait evolution and diversification, as well as for taxonomic revision of still understudied genera.