Page authors: Don Knoke, David Giblin
Sclerolinon digynum
northwestern yellow-flax
Specimens
Photos

Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho.

Habitat: Meadows and prairies at low to moderate elevations.

Flowers: May-July

Origin: Native

Growth Duration: Annual

Conservation Status: Sensitive in Washington (WANHP)

Description:
General:

Slender, glabrous and glaucous annuals, the stems 0.5-4 dm. tall, simple or somewhat branched.

Leaves:

Leaves mostly opposite, 0.5-3 cm. long, sessile, entire, 1-nerved, but the reduced upper floral bracts serrulate-glandular.

Flowers:

Flowers in terminal, few-flowered racemes; sepals 5, 2-3 mm. long, very unequal, the outer ones serrate, all glandular; petals 5, pale yellow, from as long to twice as long as the shorter sepals; stamens 5, united at the base; styles 2, the stigmas elongate; ovary superior.

Fruits:

Capsule 2-celled, about equal to the calyx.

Accepted Name:
Sclerolinon digynum (A. Gray) C.M. Rogers
Publication: MadroƱo 18(6): 182. 1966.

Synonyms & Misapplications:
Linum digynum A. Gray [HC]
Additional Resources:

PNW Herbaria: Specimen records of Sclerolinon digynum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Sclerolinon digynum checklist entry.

OregonFlora: Sclerolinon digynum information.

E-Flora BC: Sclerolinon digynum atlas page.

CalPhotos: Sclerolinon digynum photos.

USDA Plants: Sclerolinon digynum information.

11 photographs:
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