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When did Rosa fossils occur in North America Europe and Asia?
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Rosales
Red garden roses (Rosa hybrid). Whereas wild roses have only five petals, most hybrid varieties have been bred to produce numerous petals in a wide range of colours.
Fossil remains of the genus Rosa—including leaves, thorns, branchlets, calyx fragments, and fruits—have been frequently discovered across North America, Europe, and Asia. These fossils date from the Eocene Epoch to the end of the Neogene, a timeframe spanning approximately 55.8 to 2.6 million years ago.1