Page authors: Don Knoke, David Giblin
Silene spaldingii
Spalding's catchfly, Spalding's silene

Distribution: Occurring east of the Cascades crest in the eastern and southeastern counties in Washington; eastern Washington to adjacent northeastern Oregon and western Idaho, also in western Montana.

Habitat: Sagebrush, scabland and ponderosa pine forests.

Flowers: June-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Threatened in Washington (WANHP)


Woolly, viscid perennial from a simple or branched crown, the stems 2-6 dm. tall.


Cauline leaves 5-7 pairs, oblanceolate below and lanceolate above, 6-7 cm. long and 5-15 mm. broad, sessile.


Flowers several to many in a leafy, compact inflorescence; calyx 5-lobed, tubular, about 15 mm. long, 10-nerved; petals 5, white, the claw about 15 mm. long and the blade 2 mm. long, ovate, entire; appendages four, 0.5 mm. long; stamens 10; styles 3.


Capsule 1-celled.

Accepted Name:
Silene spaldingii S. Watson
Publication: Proc. Amer. Acad. Arts. 10: 344. 1875.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Silene spaldingii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Silene spaldingii checklist entry.

E-Flora BC: Silene spaldingii atlas page.

CalPhotos: Silene spaldingii photos.

USDA Plants: Silene spaldingii information.

27 photographs:
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