Ancient Fossil Beans Reveal Rainforest Evolution

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oldest definite fossil legumes

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Ancient fossil beans

ScienceDaily

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Giant fossil seeds from Borneo record ancient plant migration

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81% Informative

Giant fossil seeds from Borneo record ancient plant migration.

Fossils represent a now extinct legume genus that lived in Southeast Asia that was closely related to modern Castanospermum, known as the black bean tree.

The seeds would have grown in a pod that most likely reached up to 3 feet long, or the length of a baseball bat, and fit up to five seeds.

The seeds are the only definite legume fossils from before the Neogene period.

They are from the interval between 2.6 million and 23 million years ago , in the Southeast Asian wet tropics.

These findings confirm legumes' presence in Southeast Asia and fill a critical hole in the fossil record.

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