Noun: snail bean
- Perennial tropical American vine cultivated for its racemes of showy yellow and purple flowers with a coiled keel
"The snail bean's unique bloom resembles a snail shell";
- snailflower, snail-flower, snail flower, corkscrew flower, Vigna caracalla, Phaseolus caracalla
Derived forms: snail beans
Type of: legume, leguminous plant
Part of: genus Vigna, Vigna
Encyclopedia: Snail bean