snailflower
Noun
Meaning
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
Source: WordNetSynonyms
corkscrew flower
snail bean
Phaseolus caracalla
vigna caracalla
snail flower
corkscrew vine
snail vine
snail creeper