Journal article
Phylogeny of the holly grevilleas (Proteaceae) based on nuclear ribosomal and chloroplast DNA
Gareth D Holmes, Trisha L Downing, Elizabeth A James, Mark J Blacket, Ary A Hoffmann, Michael J Bayly
AUSTRALIAN SYSTEMATIC BOTANY | CSIRO PUBLISHING | Published : 2014
DOI: 10.1071/SB13045
Abstract
The holly grevilleas are an informal grouping of 15 species (19 taxa) of woody shrubs from south-eastern Australia, with a centre of distribution in central to western Victoria. Many of the species are narrowly endemic. The present study is the first molecular-phylogenetic analysis of the group, with the aim of providing an evolutionary framework for assessing species-level taxonomy and conservation priorities. Analyses using the nrDNA internal transcribed spacer (ITS) regions were complicated by the presence of divergent paralogues, including inferred pseudogenes; analyses restricted to presumed orthologous, functional ITS sequences were uninformative. Combined analyses of three chloroplast..
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Funding Acknowledgements
For assistance with field work or provision of specimens, we thank Greg Downing, Val Downing, Andrew Downing, Adele Gibbs, Pauline Ladiges, Neil Marriot, Laura Pollock, Adrian Holmes, Trevor Christensen, Peter Olde and Keith McDougall. Pauline Ladiges, Yvonne Parsons and Andrew Drinnan provided valuable advice during the PhD candidatures of TLD and GDH. Plant-collecting permits were provided by the Victorian Department of Sustainability and Environment, NSW National Parks and Wildlife Service and South Australian Department of Environment and Heritage and Forestry SA. This work was supported by the Hansjorg Eichler Scientific Research Fund award from the Australasian Systematic Botany Society (grant to TLD), the Holsworth Wildlife Research Endowment (grant to TLD) and the Cybec Foundation (funding to GDH). AAH thanks the Australian Research Council for fellowship support.