trillium

Any of various plants of the genus Trillium, of North America, the Himalaya Mountains, and eastern Asia, having a whorl of three leaflike bracts and a usually white, reddish, or yellow three-petaled flower.

A genus of liliaceous plants, of the tribe Medeoleæ.

A plant of the above genus.

A genus of liliaceous plants; the three-leaved nightshade; — so called because all the parts of the plant are in threes.

Any of several perennial flowering plants, of the genus Trillium, having flowers with three petals

any liliaceous plant of the genus Trillium having a whorl of three leaves at the top of the stem with a single three-petaled flower