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snailflower

American  
[sneyl-flou-er] / ˈsneɪlˌflaʊ ər /

noun

  1. a tropical vine, Vigna caracalla, of the legume family, having fragrant, yellowish or purplish flowers, a segment of which is shaped like a snail's shell.


Etymology

Origin of snailflower

First recorded in 1680–90; snail + flower