Page authors: Don Knoke, David Giblin
Lomatium salmoniflorum
Salmon River biscuit-root, Salmon River desert-parsley

Distribution: Occurring east of the Cascades crest in the southeastern counties in Washington; southeastern Washington to the Snake and Clearwater rivers in Idaho.

Habitat: Dry, open, rocky slopes.

Flowers: February-May

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, butterflies, beetles, wasps


Glabrous perennial from a strongly-thickened taproot, the solitary or several stems usually branched near the base, ascending, 2-6 dm. tall.


Leaves chiefly basal, ternate-pinnately dissected into very numerous small and narrow ultimate segments 1.5-5 mm. long; petiole sheathes very prominent; usually with one or more reduced leaves on the lower stem.


Inflorescence of compound umbels, the rays 5-13, unequal, 3-6 cm. long at maturity; involucre none; involucel bractlets narrow and inconspicuous; calyx teeth none, flowers salmon-colored or salmon-yellow.


Fruit elliptic-oblong to broadly elliptic, 8-14 mm. long, the lateral wings corky-thickened, 0.5-1 mm. wide; dorsal ribs slightly raised, narrower than the intervals.

Accepted Name:
Lomatium salmoniflorum (J.M. Coult. & Rose) Mathias & Constance
Publication: Bull. Torrey Bot. Club 69(3): 246. 1942.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Lomatium salmoniflorum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lomatium salmoniflorum checklist entry.

OregonFlora: Lomatium salmoniflorum information.

E-Flora BC: Lomatium salmoniflorum atlas page.

CalPhotos: Lomatium salmoniflorum photos.

USDA Plants: Lomatium salmoniflorum information.

18 photographs:
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