Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California.
Habitat: Moist areas in deep woods to forest openings.
Flowers: April-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Glabrous, scapose, perennial herbs, spreading widely by rhizomes, the scapes 2-4 dm. tall.
Leaves with petioles 1-3 dm. long attached to the rhizome, the blades 5-20 cm. broad, trifoliate, the segments fan-shaped, coarsely wavy-dentate.
Flowers inconspicuous, numerous in terminal, pedunculate, bractless spikes; calyx and corolla lacking; stamens about 10, the filaments narrow below and broadened above; style lacking; stigma broad, lateral.
Fruits reddish-purple, 3-4 mm. long, puberulent, the ventral side concave with a prominent ridge, the dorsal surface strongly convex.
Publication: Syst. Nat. 2: 35. 1821.
- ssp. triphylla – deerfoot, vanillaleaf Occurring on both sides of the Cascades in Washington; British Columbia south to California.
PNW Herbaria: Specimen records of Achlys triphylla in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Achlys triphylla checklist entry.
OregonFlora: Achlys triphylla information.
E-Flora BC: Achlys triphylla atlas page.
CalPhotos: Achlys triphylla photos.
USDA Plants: Achlys triphylla information.
