Bottle Gourds Floated to the New World
Thursday, February 13, 2014
UNIVERSITY PARK, PENNSYLVANIA—A new genetic study of bottle gourds, which originated in Africa and have been used as lightweight containers all over the world, indicates that pre-Columbian specimens in the Americas are more closely related to African varieties. It had been thought that migrating humans carried gourds from the Asian subspecies with them over the Bering land bridge into North America, but archaeological evidence for the use of bottle gourds has not been found in Siberia, Alaska, or the Pacific Northwest. Logan Kistler of Pennsylvania State University and his team conclude that the gourds could have floated to the West African coast by river, and then drifted to the New World on Atlantic currents, probably landing on the coast of Brazil, where they took root. “Now, it’s really quite clear that [the bottle gourd] reached the New World under its own steam,” team member Bruce Smith of the Smithsonian Institution’s National Museum of Natural History told Science.
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