A taxonomic revision of chamaecrista (caesalpinioideae, cassieae, cassiinae) in Southern Africa

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dc.contributor.authorMusandiwa, Liada
dc.contributor.authorMagee, Anthony R.
dc.contributor.authorBoatwright, James S.
dc.date.accessioned2023-03-22T09:03:29Z
dc.date.available2023-03-22T09:03:29Z
dc.date.issued2022
dc.description.abstractThe southern African species of Chamaecrista were all treated under Cassia in Gordon-Gray’s treatment for the Flora of Southern Africa. However, given the subsequent generic recircumscriptions in the subtribe Cassiinae, and the expanded collections of these taxa, there is a need to revisit the taxonomy of the group. The present study aimed to conduct a detailed taxonomic revision of the species of Chamaecrista indigenous to the flora of southern Africa region. Extensive fieldwork was carried out to study the taxa in their natural environment and morphological characters were additionally studied using herbarium material. The revision presented here includes comprehensive descriptions, a key to the species, nomenclature, typifications, diagnostic characters with illustrations, and geographical distribution maps of all recognised taxa. Eleven species of Chamaecrista are recognised for the flora of southern Africa, two of which are described as new, i.e. Chamaecrista grandiglandulata and C. gordon-grayei. In addition, one new subspecies is described, namely C. gordon-grayei subsp. longipedicellata, while Chamaecrista comosa var. capriconia is raised to the rank of subspecies, viz. Chamaecrista comosa subsp. capriconia. The typifications published here include lectotypes designated for Chamaecrista plumosa and C. stricta, neotypes designated for C. capensis var. flavescens, C. comosa, and C. plumosa var. diffusa, and an isolectotype designated for C. stricta.en_US
dc.identifier.citationMusandiwa, L. et al. (2022). A taxonomic revision of chamaecrista (caesalpinioideae, cassieae, cassiinae) in Southern Africa. Systematic Botany, 47(4), 992-1011. https://doi.org/10.1600/036364422X16674053033831en_US
dc.identifier.issn1548-2324
dc.identifier.urihttps://doi.org/10.1600/036364422X16674053033831
dc.identifier.urihttp://hdl.handle.net/10566/8626
dc.language.isoenen_US
dc.publisherAmerican Society of Plant Taxonomistsen_US
dc.subjectBiodiversityen_US
dc.subjectBiologyen_US
dc.subjectConservationen_US
dc.subject, Chamaecrista grandiglandulataen_US
dc.subjectTaxanomyen_US
dc.subjectSouthern Africaen_US
dc.titleA taxonomic revision of chamaecrista (caesalpinioideae, cassieae, cassiinae) in Southern Africaen_US
dc.typeArticleen_US

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