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Taxonomy, biogeography and evolution of plants
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RESEARCH ARTICLE
Contents Vol 20(2)

New fossil woods of Proteaceae from the Oligocene of southern Patagonia

Roberto R. Pujana
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Museo Argentino de Ciencias Naturales. Av. Ángel Gallardo 470, Buenos Aires, C1405DJR, Argentina. Email: rpujana@macn.gov.ar

Australian Systematic Botany 20(2) 119-125 https://doi.org/10.1071/SB06029
Submitted: 2 September 2006  Accepted: 29 January 2007   Published: 26 April 2007

Abstract

The scarce fossil wood record of Proteaceae is complemented with the addition of a new morphogenus with two new species from the Oligocene of Patagonia, Scalarixylon patagonicum, gen. nov., sp. nov., and S. grandiradiatum, gen. nov., sp. nov. They become the first two fossil species that have all the typical characteristics of Proteaceae wood anatomy: wide multiseriate rays, tangential bands of vessels with unilateral banded associated parenchyma and simple perforation plates. They seem to be related to extant species that inhabit the subantarctic forests of Patagonia.


Acknowledgements

The author thanks Dr Sergio Marenssi, Dr Silvia N. Césari and Professor Jane Francis for helping to collect the material and assistance in the field work. The funds for this work were provided by the PICT 10747 of the ANPCyT.


References


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