A taxonomic revision of Hemigenia section Malleantha sect. nov. (Lamiaceae: Westringieae)

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Contents Vol 21(5)

doi:10.1071/SB08020

A taxonomic revision of Hemigenia section Malleantha sect. nov. (Lamiaceae: Westringieae)

G. R. Guerin

Australian Centre for Evolutionary Biology and Biodiversity, School of Earth and Environmental Sciences, University of Adelaide, North Terrace, Adelaide, SA 5005, Australia. Email: greg.guerin@student.adelaide.edu.au





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Australian Systematic Botany 21(5) 326–374 http://dx.doi.org/10.1071/SB08020
Submitted: 10 April 2008 Accepted: 11 August 2008 Published online: 5 December 2008

Abstract

A new section of Hemigenia, Hemigenia sect. Malleantha G.R.Guerin sect. nov., is split from the typical section of Hemigenia, as its members do not belong with the type species of the genus (and therefore of the typical section), H. purpurea R.Br. A taxonomic revision of Hemigenia sect. Malleantha is presented which recognises 27 species, including the following 13 new species: H. appressa G.R.Guerin, H. benthamii G.R.Guerin, H. botryphylla G.R.Guerin, H. bracteosa G.R.Guerin, H. buccinata G.R.Guerin, H. ciliata G.R.Guerin, H. dulca G.R.Guerin, H. pachyphylla G.R.Guerin, H. royceana G.R.Guerin, H. tenelliflora G.R.Guerin, H. tomentosa G.R.Guerin, H. virescens G.R.Guerin and H. wandooana G.R.Guerin. Hemigenia parviflora Bartl. is reinstated from synonymy under H. sericea var. parviflora (Bartl.) Benth. Hemigenia eutaxioides C.R.P.Andrews is synonymised with H. teretiuscula F.Muell. and H. sericea var. lanosa F.Muell. ex Benth. is synonymised with H. argentea Bartl.