Research Article

Eocene Fagaceae from Patagonia and Gondwanan legacy in Asian rainforests

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Science  07 Jun 2019:
Vol. 364, Issue 6444, eaaw5139
DOI: 10.1126/science.aaw5139

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Fossil Fagaceae from Patagonia

The oak family Fagaceae is thought to have its evolutionary origins in northern temperate forests and Southeast Asia. Wilf et al. now report 52-million-year-old fossils from the Southern Hemisphere belonging to the still-living genus Castanopsis. Hypotheses of Fagaceae origins have focused only on the Northern Hemisphere. Ancestral Castanopsis may represent one of numerous paleo-Antarctic plant genera that are found with Castanopsis today in Southeast Asian rainforests.

Science, this issue p. eaaw5139