Bengal bean

noun

1. the annual woody vine of Asia having long clusters of purplish flowers and densely hairy pods; cultivated in southern United States for green manure and grazing

   noun.plant

   Synonyms benghal bean cowage florida bean mucuna aterrima mucuna deeringiana mucuna pruriens utilis stizolobium deeringiana velvet bean

   Source: WordNet 3.0