A revision of the Hibbertia commutata (Dilleniaceae) species group
Kevin R. Thiele![https://orcid.org/0000-0002-6658-6636](/media/client/orcid_16x16.png)
A Western Australian Herbarium, Locked Bag 104, Bentley Delivery Centre, WA 6983, Australia.
B School of Biological Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia. Email: kevin.thiele@uwa.edu.au
Australian Systematic Botany 32(1) 71-109 https://doi.org/10.1071/SB18007
Submitted: 13 February 2018 Accepted: 1 April 2019 Published: 10 May 2019
Abstract
The Hibbertia commutata Steud. species group comprises 27 species in Hibbertia Andr. subgenus Hibbertia, all being endemic in south-western Western Australia; it is the largest species group in that state. Several taxa in the group have been the subject of considerable confusion in the past, with inadequate understanding of species boundaries leading to mixed determinations on specimens. All taxa in the group are treated here, and the following are described as new: Hibbertia acrotoma K.R.Thiele, H. ambita K.R.Thiele, H. barrettiae K.R.Thiele, H. davisii K.R.Thiele, H. elegans K.R.Thiele, H. hortiorum K.R.Thiele, H. improna K.R.Thiele, H. inopinata K.R.Thiele, H. sandifordiae K.R.Thiele, H. semipilosa K.R.Thiele, H. spectabilis K.R.Thiele, H. wheelerae K.R.Thiele.
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