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)
Slender, glabrous and glaucous annuals, the stems 0.5-4 dm. tall, simple or somewhat branched.
Leaves mostly opposite, 0.5-3 cm. long, sessile, entire, 1-nerved, but the reduced upper floral bracts serrulate-glandular.
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.
Capsule 2-celled, about equal to the calyx.
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