Page author: David Giblin
Lomatium leptocarpum
gumbo biscuit-root, gumbo lomatium

Distribution: Occurring east of the Cascades crest in the southeastern counties in Washington; southeastern Washington to southern Oregon, east to western Idaho.

Habitat: Seasonally wet, usually shallow-soil meadows, and micro-depressions in vernally wet, rocky sites, often with clay component.

Flowers: May-June

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


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Accepted Name:
Lomatium leptocarpum (Torr. & A. Gray) J.M. Coult. & Rose
Publication: Contr. U.S. Natl. Herb. 7(1): 213. 1900.

Synonyms & Misapplications:
Lomatium ambiguum (Nutt.) J.M. Coult. & Rose ssp. leptocarpum (Torr. & Gray) E. Murray [IMF]
Lomatium bicolor (S. Watson) J.M. Coult. & Rose var. leptocarpum (Torr. & A. Gray) Schlessman [JPM, IMF]
Peucedanum bicolor (S. Wats.) Coult & Rose var. gumbonis M.E. Jones [IMF]
Peucedanum leptocarpum Nutt. ex. Torr. & Gray [IMF]
Peucedanum nuttallii var. leptocarpum (Torr. & Gray) Walp. [IMF]
Peucedanum triternatum var. leptocarpum Torr. & Gray [IMF]
Additional Resources:

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

WA Flora Checklist: Lomatium leptocarpum checklist entry.

E-Flora BC: Lomatium leptocarpum atlas page.

CalPhotos: Lomatium leptocarpum photos.

USDA Plants: Lomatium leptocarpum information.

37 photographs:
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