snakemouth

snake·mouth

 (snāk′mouth′)
n.
A North American orchid (Pogonia ophioglossoides) having a solitary rose-purple flower with a fringed lip. Also called rose pogonia.

snakemouth

(ˈsneɪkˌmaʊθ)
n
(Plants) a terrestrial orchid, Pogonia ophioglossoides, of E North America, having solitary fragrant pinkish-purple flowers
[so called because of the alleged similarity between the shape of the flower and a snake's mouth]