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Montana Field Guide

Montana Field Guides

Freckled Milkvetch - Astragalus lentiginosus

Native Species

Global Rank: G5
State Rank: S3?

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Perennial from a branched caudex. Herbage glabrate to sparsely strigose. Stems prostrate to ascending, 10–40 cm. Leaves with 11 to 19 obovate leaflets, 5–15 mm long with blunt to emarginate tips; stipules lanceolate, 2–3 mm long distinct. Inflorescence shorter than the leaves, dense with 10–25 spreading to ascending flowers. Flowers ochroleucus, rarely purple-tipped; calyx white-strigose; sepals 1–2 mm long; banner 8–13 mm long, slightly reflexed; keel 6–8 mm long. Legume spreading, glabrous, ovoid, 15–20 mm long with a flattened beak 3–5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
WA to MT south to CA, AZ, NM, TX and Mexico; known from Beaverhead County (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 9

(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)


  • Additional ReferencesLegend:   View Online Publication
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    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 p.
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Citation for data on this website:
Freckled Milkvetch — Astragalus lentiginosus.  Montana Field Guide.  .  Retrieved on , from