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Term Definition
Circumferentially winged seed A wing completely surrounding the circumference of the seed. Circumferentially winged seeds and leaf-like cotyledons of Couratari. Drawing by B. Angell.
Unilaterally winged seed Referring to a seed wing that arise from one side. Line drawing of Cariniana micrantha. Drawing by A. Tangerini.
Winged seed Referring to seeds with a wing-like extensions that surround the seed, are are two sides of the side, or extend from one end of the seed, all of which facilitate wind dispersal. Examples of winged seeds. Drawing by B. Angell.