Mystery fruit = a gall!

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Date Photo Taken: 08/19/2013
Location: Athens, GA
Posted By: athens.project

Notes:

see http://www.walterreeves.com/name-that-plant/mystery-fruit/

Dr. Robert Wyatt, retire UGA Professor of Botany & Ecology, identifies the mystery ‘fruit’ as a gall! Some thought it a Bradford pear fruit, but as the picture shows, they are much smaller…

Dr. Wyatt: “I think that they are oak galls, probably caused by Cynipid wasps. When I sectioned one it had none of the internal structure of a fruit such as a pome (i.e., a fruit like an apple or a pear). Moreover, the external surface lacked any evidence of floral parts—not even a stalk.

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