DICT.TW Dictionary Taiwan

 snail bean
      n : 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 [syn: snailflower, snail-flower, snail
          flower, corkscrew flower, Vigna caracalla, Phaseolus
          caracalla]