Trillium petiolatum
Idaho Trillium

Family: Liliaceae (Lily family)

Photo taken at Leavenworth Ski Hill, wooded shaded area

Flowers:

solitary, sessile, tending to be inconspicuous, subtended by a whorl of 3 leaves; petals purple, generally about the same length as sepals; sepals 2.5 to 6 cm

Leaves:

long petiolate, rounded to obtuse, blade 8 to 13 cm, not mottled

Plant:

perennial

Habitat:

streambanks and moist thickets or meadows

Distribution of species:

east side of the Cascades, Chelan County to Spokane County and adjacent Idaho, south to the Blue Mountains and west in northern Oregon to Grant, Gilliam, and Morrow counties

Distribution of genus:

30 to 40 species: North America and Asia