A revision of the genus Choritaenia (Apiaceae)

Mei (Rebecca) Liu, Ben Erik Van Wyk, Patricia M. Tilney

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


The poorly known monotypic genus Choritaenia (Apiaceae) is revised. Choritaenia capensis is a small annual herb endemic to the central parts of South Africa and has several peculiar morphological and carpological features not found in other genera of Apiaceae. The dorsally compressed, hairy fruits have "inter-rib" wings, and a woody endocarp with globose oil vesicles (rather than vittae or rib oil ducts) at regular intervals in the wings. The very short carpophore is hygroscopic and appears to be an adaptation for dispersal of the mericarps after rain. The phylogenetic position of Choritaenia within the family Apiaceae remains unclear, but it is presumed to be related to the subfamily Azorelloideae, the only group where some members have dorsally compressed fruits with woody endocarps.

Original languageEnglish
Pages (from-to)184-189
Number of pages6
JournalSouth African Journal of Botany
Issue number2
Publication statusPublished - Apr 2007


  • Anatomy
  • Apiaceae
  • Choritaenia capensis
  • South Africa
  • Taxonomy
  • Umbelliferae

ASJC Scopus subject areas

  • Plant Science


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