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wocas

American  
[woh-kuhs] / ˈwoʊ kəs /
Sometimes wokus

Or wokas

noun

  1. a yellow pond lily, Nuphar polysepalum, of northwestern North America, having heart-shaped leaves and cup-shaped flowers.


Etymology

Origin of wocas

1875–80, earlier, its seeds < Klamath wokas; compare woksʔam the name of the plant