Page authors: Don Knoke, David Giblin
Corydalis scouleri
Scouler's fumewort

Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to Oregon.

Habitat: Moist soil in shade, low elevations, from the coast to the foothills

Flowers: April-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees


Herbaceous perennial from thick rhizomes, the erect, hollow stems simple or somewhat branched above, 6-12 dm. tall.


Leaves alternate, cauline, usually 3, near or above the middle of the stem, tri- to quadripinnate, the ultimate segments oblong-elliptic to lanceolate, 2-8 cm. long and 5-25 mm. wide.


Inflorescence of 15- to 35-flowered, compound, terminal racemes; bracts inconspicuous; sepals 2, 1-7 mm. long, ovate to oblong, entire to laciniate; petals 4, pink, 20-30 mm. long, of 2 dissimilar pairs, the upper petal with a spur 12-20 mm. long, narrowed to the tip, the blade of the petal crested above; stamens 6, united into 2 groups alternate with the inner petals; style 1, slender, well-developed; stigma 2-lobed.


Capsule pear-shaped, 10-15 mm. long and 3-4 mm. thick.

Accepted Name:
Corydalis scouleri Hook.
Publication: Fl. Bor.-Amer. 1: 36, plate 14. 1829.

Synonyms & Misapplications:
(none provided)
Additional Resources:

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

WA Flora Checklist: Corydalis scouleri checklist entry.

OregonFlora: Corydalis scouleri information.

E-Flora BC: Corydalis scouleri atlas page.

CalPhotos: Corydalis scouleri photos.

USDA Plants: Corydalis scouleri information.

49 photographs:
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