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Taxonomy, biogeography and evolution of plants
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RESEARCH ARTICLE
Contents Vol 20(4)

Incorporation of the Australian genera Halosarcia, Pachycornia, Sclerostegia and Tegicornia into Tecticornia (Salicornioideae, Chenopodiaceae)

Kelly A. Shepherd A B C and Paul G. Wilson A
+ Author Affiliations
- Author Affiliations

A Western Australian Herbarium, Department of Environment and Conservation, Science Division, Locked Bag 104, Bentley Delivery Centre, WA 6983, Australia.

B School of Plant Biology, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6065, Australia.

C Corresponding author. Email: Kelly.Shepherd@dec.wa.gov.au

Australian Systematic Botany 20(4) 319-331 https://doi.org/10.1071/SB07002
Submitted: 12 January 2007  Accepted: 8 May 2007   Published: 5 September 2007

Abstract

Recent molecular and morphological studies have shown that the genera Halosarcia, Pachycornia, Sclerostegia, Tecticornia and Tegicornia are closely related and form a monophyletic group. Support for the monophyly of the individual genera in the group is lacking, with the smaller genera nested in a paraphyletic Halosarcia. In light of this it is proposed that these genera be subsumed into a single genus for which the most appropriate available name is Tecticornia. A conspectus is provided of all species in the expanded Tecticornia, with new combinations given for 30 species and 13 subspecies.


Acknowledgements

The authors sincerely thank Carol Wilkins, Terry Macfarlane and Kevin Thiele for providing invaluable comments on earlier drafts of the manuscript. This research was funded in part through the Department of Environment and Conservation ‘Saving our Species’ project and an ARC linkage grant with the University of Western Australia with support from MERIWA, Normandy Mining Limited, Placer (Granny Smith), Acacia Resources, KCGM and the Western Australian Herbarium. KS thanks the Centre for Microscopy and Microanalysis UWA for providing support and the use of the Sorvall Microtome and Environmental Scanning Electron Microscope.


References


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Appendix 1.  Data matrix for morphological characters numbered as in Table 6 (in Shepherd et al. 2005b)
Polymorphic states are represented as the following: a = 0/1, b = 0/2, c = 1/2, d = 2/4, e = 3/5, f = 2/3; Collectors: KS = K.A. Shepherd; PGW = Paul G. Wilson; ASG = Alex S. George; IC = Ian Clarke; JGC = J. Gibbs-Clema; HP = Hugh Pringle; DJE = D.J. Edinger; RJC = Ray J. Cranfield; PKL = P.K. Latz; BPK = B.P. Koustaal; BD = Bernard Dudley; EST = Michelle Waycott; Herbaria: US = Smithsonian Institution, BC = Institut Botánic de Barcelona, MEL = Royal Botanic Gardens Melbourne. This appendix replaces Table 6 in Shepherd et al. (2005b) as columns 52 onwards are in erratum. This does not affect the results of the morphological phylogenetic analysis therein.
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Appendix 1.   (continued)
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