vigna_caracalla
1. [ noun ] (botany) perennial tropical American vine cultivated for its racemes of showy yellow and purple flowers having the corolla keel coiled like a snail shell; sometimes placed in genus Phaseolus
Synonyms: snail_flower snail_bean corkscrew_flower Phaseolus_caracalla snail-flower snailflower
Related terms: legume Vigna