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Montana Field Guide

Montana Field Guides

Low Milkvetch - Astragalus lotiflorus

Native Species

Global Rank: G5
State Rank: S4

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Annual to usually perennial from a simple or branched caudex. Herbage strigose with dolabriform hairs. Stems erect to ascending, 1–3 cm, shorter than the mostly basal leaves. Leaves with 5–15 linear-elliptic leaflets with acute tips; stipules lanceolate, 2–5 mm long, distinct. Inflorescence nearly sessile with 2–8 spreading flowers, shorter or longer than the leaves. Flowers ochroleucus; calyx white-strigose; sepals 2–4 mm long; banner 9–11 mm long, nearly straight; keel 6–8 mm long. Legume narrowly ellipsoid, beaked, inflated, compressed perpendicular to the septum, 15–25 mm long, densely silky (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
AB to MN, south to NM, TX, IA (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 12

(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)


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Citation for data on this website:
Low Milkvetch — Astragalus lotiflorus.  Montana Field Guide.  .  Retrieved on , from