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

plural of trillium

Trillium luteum, native to the woodlands of the Great Smoky Mountains of the southeastern United States and adjoining areas.

Trillium grandiflorum, native to much of eastern North America.

Trillium undulatum, native to eastern temperate North America.

Trillium erectum, native to eastern, northeastern North America.

plural of white trillium

plural of red trillium

plural of yellow trillium

plural of painted trillium