A revision of Commersonia including Rulingia (Malvaceae s.l. or Byttneriaceae)

C. F. Wilkins, Barbara A Whitlock

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A taxonomic revision and DNA sequence analysis of all species previously attributed to Rulingia R.Br. and Commersonia J.R.Forst. & G.Forst. resulted in two major groupings, referred to a redefined Commersonia and a new genus (Androcalva C.F.Wilkins & Whitlock 2011). In total, 25 species are now recognised within Commersonia, including the type species of Rulingia, and 14 species previously included in Rulingia and 10 in Commersonia. Three of these are described as new (C. apella C.F.Wilkins, C. erythrogyna C.F.Wilkins and C. gilva C.F.Wilkins).Anew subspecies, C. magniflora subsp. oblongifolia C.F.Wilkins, is recognised and C. bartramia (L.) Merr. var. tahitensis Dorr is raised to species level as C. tahitensis (Dorr) C.F.Wilkins & Whitlock. Two new combinations are made, Rulingia platycalyx Benth. and R. parviflora Endl. as C. parviflora (Endl.) C.F.Wilkins & Whitlock; and R. cistifolia Steetz and R. rugosa Steetz as C. rugosa (Steetz) F.Muell. The redefined Commersonia is monophyletic and characterised by anthers with sublatrorse dehiscence and mainly hairy staminodes, compared with extrorse dehiscence and glabrous staminodes as seen in Androcalva.

Original languageEnglish
Pages (from-to)226-283
Number of pages58
JournalAustralian Systematic Botany
Volume25
Issue number1
DOIs
StatePublished - Mar 9 2012

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dehiscence
Malvaceae
taxonomic revisions
anthers
new combination
new genus
sequence analysis
nucleotide sequences
subspecies
DNA
Bartramia

ASJC Scopus subject areas

  • Plant Science
  • Ecology, Evolution, Behavior and Systematics

Cite this

A revision of Commersonia including Rulingia (Malvaceae s.l. or Byttneriaceae). / Wilkins, C. F.; Whitlock, Barbara A.

In: Australian Systematic Botany, Vol. 25, No. 1, 09.03.2012, p. 226-283.

Research output: Contribution to journalArticle

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