Definitions
There is 1 meaning of the phrase
Vigna Caracalla.
Vigna Caracalla - as a noun
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 (Exact Relations)
corkscrew flowerphaseolus caracallasnail-flowersnail beansnailflower