Oberholzeria (Fabaceae subfam. Faboideae), a new monotypic legume genus from Namibia

Wessel Swanepoel, M. Marianne Le Roux, Martin Wojciechowski, Abraham E. Van Wyk

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Oberholzeria etendekaensis, a succulent biennial or short-lived perennial shrublet is described as a new species, and a new monotypic genus. Discovered in 2012, it is a rare species known only from a single locality in the Kaokoveld Centre of Plant Endemism, northwestern Namibia. Phylogenetic analyses of molecular sequence data from the plastid matK gene resolves Oberholzeria as the sister group to the Genisteae clade while data from the nuclear rDNA ITS region showed that it is sister to a clade comprising both the Crotalarieae and Genisteae clades. Morphological characters diagnostic of the new genus include: 1) succulent stems with woody remains; 2) pinnately trifoliolate, fleshy leaves; 3) monadelphous stamens in a sheath that is fused above; 4) dimorphic anthers with five long, basifixed anthers alternating with five short, dorsifixed anthers, and 5) pendent, membranous, oneseeded, laterally flattened, slightly inflated but indehiscent fruits.

Original languageEnglish (US)
Article numbere0122080
JournalPloS one
Volume10
Issue number3
DOIs
StatePublished - Mar 27 2015

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)
  • General

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