Page author: David Giblin
Lewisia columbiana
Columbia lewisia
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

Description:
General:

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

Leaves:

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.

Flowers:

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.

Fruits:

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:
Calandrinia columbiana Howell ex A. Gray
Oreobroma columbianum (Howell ex A. Gray) Howell
Talinum denticulatum Poelln.
Infraspecies:
var. columbiana – Columbia lewisia    East side of the ascades, southern British Columbia to northern California, east to Idaho
var. rupicola – Columbia lewisia    Olympic Mountains and Mt. Rainier in Washington, south to Clatsop County, Oregon
var. wallowensis – Columbia lewisia
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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