Page authors: Don Knoke, David Giblin
Erythronium montanum
avalanche-lily, white avalanche-lily

Distribution: Occurring chiefly west of the Cascades crest in Washington; Coast Range and Vancouver Island in British Columbia to Oregon.

Habitat: Forest openings and mountain meadows, subalpine to alpine.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees


Herbaceous, scapose perennial from a deep-seated corm, the scape 1.5-2.5 dm. tall.


Leaves 2, basal, not mottled, oblong-lanceolate, 10-20 cm. long, rounded to petioles 2-7 cm. long.


Flowers 1-3, nodding; tepals 6, distinct, lanceolate, white with a yellow base, 3-5 cm. long, reflexed; filaments 6, white, linear; anthers yellow; style slender, stigma 2-4 mm. long.


Capsule cylindric-obovoid, 1.5-3 cm. long.

Accepted Name:
Erythronium montanum S. Watson
Publication: Proc. Amer. Acad. Arts. 26: 130. 1891.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Erythronium montanum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Erythronium montanum checklist entry.

OregonFlora: Erythronium montanum information.

E-Flora BC: Erythronium montanum atlas page.

CalPhotos: Erythronium montanum photos.

USDA Plants: Erythronium montanum information.

93 photographs:
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