By John Leslie Dowe
Australian hands deals an up to date and thorough systematic and taxonomic remedy of the Australian palm flowers, overlaying 60 species in 21 genera. of those, fifty four species happen in continental Australia and 6 species at the off-shore territories of Lord Howe Island, Norfolk Island and yuletide Island. Incorporating contemporary advances in biogeographic and phylogenetic examine, Australian fingers offers a accomplished advent to the palm kin Arecaceae, with reports of botanical heritage, biogeography, phylogeny, ecology and conservation. Thorough descriptions of genera and species comprise notes on ecology and typification, and keys and distribution maps help with box reputation. colour pictures of behavior, leaf, flora, fruit and precise diagnostic characters additionally characteristic for every species. This paintings is the fruits of over two decades of study into Australian fingers, together with wide field-work and exam of herbarium specimens in Australia, South-East Asia, Europe and the united states.
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Additional info for Australian Palms: Biogeography, Ecology and Systematics
Top: Pinnate-leafed palm of Eocene/Miocene age from near Island Lagoon, South Australia [South Australian Museum P14209]. Image by N. Pledge. 7a]. Bottom right: Interior view of same. indd 21 1/12/09 9:41:57 AM Australian Palms increasing aridity and seasonality of rainfall – the continent continued to move into different climate zones and global and regional climate patterns changed (Martin 1990; Kershaw et al. 1994; Greenwood 1996; Crisp et al. 2004). The appearance and subsequent disappearance of palms from areas in southern Australia, evidenced primarily by fossil pollens, have been invoked as indicators of climate change.
The fossil record across many families indicates there has been an overall contraction of rainforest and an expansion of sclerophyllous vegetation in Australia since the Palaeogene (McGowran et al. 2000). indd 24 1/12/09 9:41:58 AM 3 – Historical biogeography 1893; Webb and Tracey 1972; Hoogland 1972; Rowe 2007). It has revealed that both low and high genetic diversity (Moran et al. 1989; Prider and Christophel 2000) occur in taxa distributed in northern Australia and New Guinea. The distribution of palms presently co-occurring in New Guinea and northern Australia can be partly explained by submergence of the Torres Strait land-bridge through rising sea-levels (Chivas et al.
Ass. Australas. Palaeontols. 5: 295, Fig. 5D (1988); Monosulcites minutiscabratus McIntyre, New Zeal. J. Bot. 6: 201, Plate 6, ﬁgs 82–84 (1968). Holotype: New Zealand. 9 (GNS [NZ]). Arecipites otagoensis (Couper) Mildenhall & Pochnall, New Zealand Geological Survey Paleontological Bulletin 59: 37, Plate 6, Fig. 4 (1989); Monosulcites otagoensis Couper, New Zealand Geological Survey Paleontological Bulletin 32: 70, Plate 12, ﬁgs 13–16 (1960). Holotype: New Zealand. South Island, Central Otago, S125/500 B, Slide L886/4 (GNS [NZ]).
Australian Palms: Biogeography, Ecology and Systematics by John Leslie Dowe