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TESTA:

The seed coat, which is the protective covering of a seed and develops from the outer layers of the ovule. Daylilies generally have a crust of phytomelan on the testa, which gives them their black color.

testa
Daylily Seed Photo by Michael Brown,used with permission.

© Copyright 2000, 2007, 2012 by the American Hemerocallis Society, Inc.
 
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