A new Australian genus, Androcalva, separated from Commersonia (Malvaceae s.l. or Byttneriaceae)

C. F. Wilkins, B. A. Whitlock

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

A new genus, Androcalva C.F.Wilkins and Whitlock, is here described and includes 22 species previously described as Commersonia, four species formerly described as Rulingia and seven new species, including A. aphrix C.F.Wilkins, A. perlaria C.F.Wilkins, A. bivillosa C.F.Wilkins, A. adenothalia C.F.Wilkins, A. fragifolia C.F.Wilkins, A. incilis C.F.Wilkins and A. lachna C.F.Wilkins. Rulingia pauciflora Turcz. is here placed in synonymy with C. gaudichaudii J.Gay as A. gaudichaudii. Recognition of Androcalva is supported by the results of a previous molecular phylogenetic analysis demonstrating that neither Rulingia nor Commersonia as previously circumscribed is monophyletic. Species of Androcalva share characters of extrorse anther dehiscence and glabrous central staminodes. In contrast, species in the redefined Commersonia have anthers with sublatrorse dehiscence and hairy central staminodes. Taxonomic descriptions, a key, distribution maps, conservation status and illustrations are presented.

Original languageEnglish (US)
Pages (from-to)284-349
Number of pages66
JournalAustralian Systematic Botany
Volume24
Issue number4-5
DOIs
StatePublished - Nov 18 2011

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science

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