Page author: David Giblin
Lewisia columbiana
WTU specimens
Other herbaria

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Idaho and Montana.

Habitat: Open gravelly or rocky slopes and rock crevices at mid- to high elevations in the mountains.

Flowers: May-August

Origin: Native

Conservation Status: Not of concern


Succulent perennial from a large, branched, fleshy root, the several flowering stems 10-30 cm. tall.


Leaves all basal, numerous, linear-oblanceolate to narrowly spatulate, 2-10 cm. long and 3-8 mm. wide; stems with several entire to glandular-dentate bracts.


Inflorescence a many-flowered panicle with glandular-dentate bracts; sepals 2, glandular-dentate, 1.5-2 mm. long, persistent; petals 7-9, from nearly white with pink venation to magenta-rose, 5-13 mm. long; stamens 5-6; style 1, with 3-8 elongate stigmas.


Capsule about twice the length of the sepals.

Accepted Name:
Lewisia columbiana (Howell ex A. Gray) B.L. Rob.

(none provided)
var. columbiana    East side of the ascades, southern British Columbia to northern California, east to Idaho
var. rupicola    Olympic Mountains and Mt. Rainier in Washington, south to Clatsop County, Oregon
Additional Resources:

PNW Herbaria: Specimen records of Lewisia columbiana in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lewisia columbiana checklist entry.

E-Flora BC: Lewisia columbiana atlas page.

CalPhotos: Lewisia columbiana photos.

USDA Plants: Lewisia columbiana information.

72 photographs:
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