Page authors: Don Knoke, David Giblin
Linum lewisii
wild blue flax
WTU specimens
Other herbaria

Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of western North America.

Habitat: Dry, open areas from prairies to alpine ridges.

Flowers: May-July

Origin: Native

Conservation Status: Not of concern

Description:
General:

Glabrous and somewhat glaucous perennial, from a woody crown, the stem 1-6 dm. tall.

Leaves:

Leaves alternate, linear, 1-3 cm. long, 1-nerved, acute to rounded.

Flowers:

Inflorescence a terminal raceme, the pedicels slender, about as long as the flowers; sepals 5, 4-7 mm. long, the margins membranous, entire; petals 5, blue, 10-23 mm. long; stamens 5, united at the base to form a short tube, with tooth-like projections 1 mm. long on the tube alternate with the filaments; styles 5, much longer than the stamens,

Fruits:

Capsule 10-celled.

Accepted Name:
Linum lewisii Pursh

Synonyms:
Adenolinum lewisii (Pursh) Á. Löve & D. Löve
Infraspecies:
var. lewisii – wild blue flax    Widely distributed east of the Cascades in Washington; native throughout much of western North America.
Additional Resources:

PNW Herbaria: Specimen records of Linum lewisii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Linum lewisii checklist entry.

E-Flora BC: Linum lewisii atlas page.

CalPhotos: Linum lewisii photos.

USDA Plants: Linum lewisii information.

14 photographs:
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