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Contact: Jay Mayfield
University of Tennessee at Knoxville

Pollen Tubes

Caption: This image shows pollen tubes extending from grains of pollen in the rare vine Austrobaileya. University of Tennessee, Knoxville, researcher Joe Williams found that the tubes' ability to grow quickly played a major role in the evolution of the large variety of flowering plants.

Credit: Joe Williams/University of Tennessee, Knoxville.

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Related news release: UT Knoxville professor finds unexpected key to flowering plants' diversity

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