GAINESVILLE, Fla. — Andre Chanderbali, lead author of a University of Florida study on the evolution of flowering plants, examines a flower from an avocado tree (Persea americana) on April 2, 2009, on the UF campus. Samples from the tree were used in a study led by Chanderbali on the evolution of flowering plants that provides insight into how the first flowering plants emerged from non-flowering plants and began evolving about 130 million years ago.
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