What does Phaseolus caracalla mean?
• PHASEOLUS CARACALLA (noun) The noun PHASEOLUS CARACALLA has 1 sense: 1. 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 Familiarity information: PHASEOLUS CARACALLA used as a noun is very rare.