winged-bean

winged bean

noun
1.
a tropical Asian vine, Psophocarpus tetragonolobus, of the legume family, of which the pods, seeds, leaves, and flowers are edible and nutritious.
2.
the pod of this plant, having four flangelike longitudinal extensions.

Origin:
1905–10

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
winged bean

noun
a tuberous twining annual vine bearing clusters of purplish flowers and pods with four jagged wings; Old World tropics 
WordNet® 3.0, © 2006 by Princeton University.
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