corkscrew : Idioms & Phrases
corkscrew flower
-
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
Phaseolus caracalla; snailflower; snail bean; snail-flower; snail flower; Vigna caracalla.
WordNet
Corkscrew starts
- a spiral staircase around a solid newel.