Page authors: Don Knoke, David Giblin
Lewisia columbiana
Columbia lewisia

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

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

Flowers: May-August

Origin: Native

Growth Duration: Perennial

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.
Publication: Syn. Fl. N. Amer. 1: 269. 1897.

Synonyms & Misapplications:
Calandrinia columbiana Howell ex A. Gray
Oreobroma columbianum (Howell ex A. Gray) Howell
Talinum denticulatum Poelln.
var. columbiana – Columbia lewisia    Occurring east of the Cascades crest in Washington; southern British Columbia to central Washington, vicinity of Columbia River Gorge, and central Cascades in Oregon.
var. rupicola – Columbia lewisia    Occurring in the Olympic Mountains and Mt. Rainier in Washington; southern Vancouver Island, British Columbia 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.

79 photographs:
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