Abstract
A new fossil discovery reported by Shi et al. changes our understanding of the biogeographic history of the cosmopolitan family, Rhamnaceae. Flowering shoots of the African genus Phylica (Rhamnaceae) dated at 100 million years ago (Ma) imply a 250 Ma origin of the family in fire-prone Gondwanan vegetation that enabled overland dispersal to all continents where it is currently widespread.
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