Page authors: Don Knoke, David Giblin
Silene scouleri
Scouler's catchfly, Scouler's siliene

Distribution: Occuring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.

Habitat: Prairies, forest openings, and meadows from low elevations to the alpine.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Erect perennial herb from a simple to branched crown, the stems several, up to 8 dm. tall, densely pubescent throughout and glandular above.


Leaves opposite, numerous, the basal slender-petiolate, the blades oblanceolate, up to 15 cm. long and 3 cm. wide; cauline leaves 2-8 pairs, reduced gradually upward, becoming sessile above.


Flowers numerous, the inflorescence narrow and elongate, consisting of a series of small, congested, lateral cymes; calyx broadly tubular, 5-lobed, 10-18 mm. long; corolla greenish-white to purplish, the claw of the petal 7-16 mm. long, the blade flaring, 4-8 mm. long, from bi-lobed to nearly equally 4-lobed, with 2 appendages at the base, 1-3 mm. long; ovary with a stalk 3-6 mm. long, puberulent to woolly; stamens 10; styles 3.


Capsule 1-celled.

Accepted Name:
Silene scouleri Hook.
Publication: Fl. Bor.-Amer. 1: 88. 1830.

Synonyms & Misapplications:
(none provided)
ssp. hallii – Hall's catchfly, Hall's silene   Occurring east of the Cascades crest along the eastern Washingotn border southern British Columbia to eastern Oregon, east to the Rocky Mountains.
ssp. scouleri – Scouler's catchfly, Scouler's silene   Occurring chiefly west of the Cascades crest in Washington; British Columbia to California.
Additional Resources:

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

WA Flora Checklist: Silene scouleri checklist entry.

E-Flora BC: Silene scouleri atlas page.

CalPhotos: Silene scouleri photos.

USDA Plants: Silene scouleri information.

9 photographs:
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