wocas

or wo·kas

[ woh-kuh s ]
/ ˈwoʊ kəs /

noun

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

Origin of wocas

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