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Banksieaephyllum taylorii (Proteaceae) from the Late Paleocene of New South Wales and its relevance to the origin of Australia's scleromorphic flora

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Carpenter, RJ and Jordan, GJ and Hill, RS (1994) Banksieaephyllum taylorii (Proteaceae) from the Late Paleocene of New South Wales and its relevance to the origin of Australia's scleromorphic flora. Australian Systematic Botany, 7 (4). pp. 385-392.

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Abstract

Leaf specimens from Late Paleocene sediments in New South Wales are assigned to a new species of Banksieaephyllum, B. taylorii. In gross morphology the leaves are indistinguishable from those of extant Dryandra formosa, and similar to a few other species of Dryandra and Banksia. The fossil specimens demonstrate that subtribe Banksiinae had differentiated by the Late Paleocene and represent the earliest record of angiosperm scleromorphy in Australia to date. The superficial placement of the stomates compared with most modern Banksiinae supports the hypothesis that xeromorphy in this group generally increased in response to the development of less mesic climates in the Late Tertiary.

Item Type: Article
Keywords: scleromorphy, sclerophylly, xeromorphy
Journal or Publication Title: Australian Systematic Botany
Page Range: pp. 385-392
Identification Number - DOI: 10.1071/SB9940385
Additional Information: The definitive version is available at http://www.publish.csiro.au/nid/150.htm
Date Deposited: 02 Sep 2007
Last Modified: 18 Nov 2014 03:21
URI: http://eprints.utas.edu.au/id/eprint/1726
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