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Psophocarpus tetragonolobus (Winged Bean) is a species of perennial herb in the family Fabaceae. It is a climber. It has compound, broad leaves. Flowers are visited by Carpenter Bees. Winged Bean fixes nitrogen. It is a photoautotroph. Individuals can grow to 1 m.

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EOL has data for 24 attributes, including:

Known occurrences, collected specimens and observations of winged bean. View this species on GBIF