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- Title
Reinstatement and recircumscription of Jupunba and Punjuba (Fabaceae) based on phylogenetic evidence.
- Authors
Soares, Marcos Vinicius Batista; Guerra, Ethiéne; Morim, Marli Pires; Iganci, João Ricardo Vieira
- Abstract
Among the mimosoid legumes (Fabaceae, Caesalpinioideae, mimosoid clade), many genera have complex nomenclatural histories, including Abarema that stands out due to numerous nomenclatural changes. Abarema is a Neotropical genus that currently comprises c. 50 species, with centres of diversity in the Amazon and Atlantic rain forests. Recent phylogenetic studies of Abarema have demonstrated the non-monophyly of the genus, which was shown to be polyphyletic with species traditionally recognized under the genus placed in three main clades that are intermingled with other genera of the former tribe Ingeae. The type species of Abarema groups with Inga , Macrosamanea , Enterolobium p.p. , Zygia and Blanchetiodendron , whereas the other two clades correspond to the former genera Jupunba and Punjuba. The aim of this study is to build a phylogenetic tree of Abarema s.l. supporting the reinstatement of Jupunba and Punjuba , based on morphological and phylogenetic evidence, and to carry out a nomenclatural overhaul of the species and implement necessary typifications. For Punjuba we reinstate three species and add three new combinations. Jupunba comprises 37 species, of which eight are reinstated; in addition, the resurrection of one species with a new synonym is proposed and 29 new combinations are made. In total, 63 taxa are revised, including accepted names, synonyms and excluded names. A taxonomic key is presented for the identification of Punjuba , Jupunba and related genera. We present 40 new combinations, one new taxonomic status and 18 corrections of nomenclature category for lectotypes and two neotypes. One lectotype is designated, one species is reinstated with a new synonym and a second step neotypification is made. We located 97 unreported types during the revision, which are cited here for the first time.
- Subjects
RAIN forests; CAESALPINIACEAE
- Publication
Botanical Journal of the Linnean Society, 2021, Vol 196, Issue 4, p456
- ISSN
0024-4074
- Publication type
Article
- DOI
10.1093/botlinnean/boab007