Page authors: Don Knoke, David Giblin
Lomatium bradshawii
Bradshaw's biscuit-root, Bradshaw's desert-parsley, Bradshaw's lomatium

Distribution: Occurring west of the Cascades crest in Clark County in Washington; southwestern Washington to the Willamette Valley near Eugene, Oregon.

Habitat: Wet meadows at low elevations.

Flowers: May-June

Origin: Native

Conservation Status: Endangered in Washington (WANHP)


Glabrous, acaulescent perennial from a long, slender taproot, 2-6.5 dm. tall.


Leaves ternate-pinnately dissected into linear or filiform segments 3-10 mm. long and up to 1 mm. wide.


Inflorescence a compound umbel, the rays unequal, 4-13 mm. long; with usually only 2-5 fertile flowers; involucre wanting; bractlets of the involucel ternately or bi-ternately divided; calyx teeth obsolete, flowers yellow.


Fruit glabrous, 8-13 mm. long and 5-7 mm. wide, the corky-thickened lateral wings half as wide as and the same color as the body.

Accepted Name:
Lomatium bradshawii (Rose ex Mathias) Mathias & Constance
Publication: Bull. Torrey Bot. Club 69(3): 246. 1942.

Synonyms & Misapplications:
Leptotaenia bradshawii Rose ex Mathias
Additional Resources:

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

WA Flora Checklist: Lomatium bradshawii checklist entry.

E-Flora BC: Lomatium bradshawii atlas page.

CalPhotos: Lomatium bradshawii photos.

USDA Plants: Lomatium bradshawii information.

40 photographs:
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