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Montana Field Guide

Montana Field Guides

Parsnip-flower Buckwheat - Eriogonum heracleoides

Native Species

Global Rank: G5
State Rank: S3

Agency Status
MNPS Threat Rank:
C-value: 5

External Links

General Description
Mat-forming perennial from a woody, branched caudex. Flowering stems ascending to erect, 15–40 cm. Leaves: basal blades tomentose, less so upward, linear to oblanceolate, 15–50 mm long. Inflorescence a compound, umbellate cyme usually subtended by a whorl of leaf-like bracts at mid-stem as well as at the base of the inflorescence; involucres tomentose, 3–5 mm long with 6 to 12 reflexed lobes. Flowers 4–8 mm long, white to ochroleucus, campanulate with a long, tubular base; tepals glabrous or sparsely long-hairy, similar in shape; stamens exserted. Achenes 3–5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
BC south to CA, UT and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 260

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Grasslands, sagebrush steppe, occasionally open forest; valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
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    • Cope, M.G. 1992. Distribution, habitat selection and survival of transplanted Columbian Sharp-tailed Grouse (Tympanuchus phasianellus columbianus) in the Tobacco Valley, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 60 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
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Citation for data on this website:
Parsnip-flower Buckwheat — Eriogonum heracleoides.  Montana Field Guide.  .  Retrieved on , from