Page authors: Don Knoke, David Giblin
Lomatium salmoniflorum
Salmon River desert-parsley
WTU specimens
Other herbaria

Distribution: Near the Snake and Clearwater Rivers in Idaho, Latah and Nez Perce Counties, Idaho, and Whitman County west to Palouse Falls, Washington.

Habitat: Open, rocky slopes.

Flowers: March - April

Origin: Native

Conservation Status: Not of concern


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

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.

E-Flora BC: Lomatium salmoniflorum atlas page.

CalPhotos: Lomatium salmoniflorum photos.

USDA Plants: Lomatium salmoniflorum information.

12 photographs:
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