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TOWARDS AN UNDERSTANDING OF THE PHYLOGENETIC RELATIONSHIPS OF AUSTRALIAN Hydrocotyloideae (Apiaceae)

Published online by Cambridge University Press:  23 October 2001

M. J. HENWOOD  and
J. M. HART
M. J. HENWOOD
Affiliation:
John Ray Herbarium, School of Biological Sciences, Heydon-Laurence Building A08, University of Sydney, NSW 2006, Australia
J. M. HART
Affiliation:
John Ray Herbarium, School of Biological Sciences, Heydon-Laurence Building A08, University of Sydney, NSW 2006, Australia
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Extract

Australian Apiaceae, dominated by Hydrocotyloideae Link, are characterized by a number of enigmatic genera, the phylogenetic relationships of which are obscure. A cladistic analysis using morphological and anatomical data indicated that Apiaceae are monophyletic and Hydrocotyloideae form a grade between a paraphyletic Araliaceae and a monophyletic Apioideae Drude+Saniculoideae Burnett. Beyond this, there was no support for past suprageneric arrangements within the order. Hydrocotyleae Spreng. and their constituent subtribes were polyphyletic, as were the subtribes of Mulineae DC. The relationships between Australian genera were not well resolved although the analysis did provide a good indication of broad generic affinities.

Keywords

AnatomyApialesAraliaceaeHydrocotyleaemorphologyMulineaeUmbelliferae
Type
Research Article
Information
Edinburgh Journal of Botany , Volume 58 , Issue 2 , June 2001 , pp. 269 - 289
Copyright
© 2001 Trustees of the Royal Botanic Garden, Edinburgh

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