Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, and Idaho.
Habitat: Moist forests, moderate to mid-elevations in the mountains.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Slender herbaceous perennial from rhizomes, the several leafless flowering stems 1.5-3.5 dm. tall, glandular-puberulent above, often with 1-2 tiny, membranous bracts.
Leaves all basal, long-petiolate, the blades cordate to cordate-ovate, 2-6 cm. broad and about as long, indistinctly 5-7 lobed, the lobes with shallow, rounded teeth.
Inflorescence an elongate raceme, 10-20 flowered, blossoming upwards; pedicels thick, 0.5-2 mm. long; calyx broadly cup-shaped, 1.5-3.5 mm. long, the lobes oblong to ovate, whitish- or purplish-tinged; petals white or purplish tinged, rhombic to oblanceolate, usually trifid, with a wedge-shaped base narrowed to a long claw; stamens 5, opposite the calyx lobes.
Ovary half inferior; carpels 2.
PNW Herbaria: Specimen records of Ozomelis trifida in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Ozomelis trifida checklist entry
OregonFlora: Ozomelis trifida information
E-Flora BC: Ozomelis trifida atlas page
CalPhotos: Ozomelis trifida photos