Distribution: Widely distributed in mountainous and forested areas across Washington; British Columbia to Oregon, east to the Rocky Mountains.
Habitat: Balds and forest openings from sea level to the subalpine.
Flowers: March-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Herbaceous, scapose perennial from a deep-seated corm, the scape 1-2 dm. tall.
Leaves 2, basal, not mottled, oblong-elliptic, 10-20 cm. long, narrowed to short, broad petioles.
Flowers 1-5 in a loose raceme, nodding; tepals 6, distinct, lanceolate, cream to golden, 2.5-3.5 cm. long, reflexed; filaments 6, white, linear; anthers white or yellow to red; style slender, stigma thick, 1-2 mm. long.
Capsule club-shaped, 3-6 cm. long.
Publication: Fl. Amer. Sept. 1: 231. 1814.
Occurring chiefly east of the Cascades crest in Washington; British Columbia to Washington, east to the Rocky Mountains through New Mexico. Occurring east of the Cascades crest in Washington; south-central British Columbia to north-central Oregon Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Alberta and Idaho.PNW Herbaria: Specimen records of Erythronium grandiflorum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Erythronium grandiflorum checklist entry.
E-Flora BC: Erythronium grandiflorum atlas page.
CalPhotos: Erythronium grandiflorum photos.
USDA Plants: Erythronium grandiflorum information.
