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
Type | Words |
---|---|
Synonyms | corkscrew flower, phaseolus caracalla, snail bean, snail flower, snailflower, vigna caracalla |
Type of | legume, leguminous plant |
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