Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Missouri Milkvetch - Astragalus missouriensis

Native Species

Global Rank: G5
State Rank: S4S5

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Often nearly stemless perennial with a short-branched caudex. Herbage with dense, appressed, dolabriform hairs. Stems 1–8 cm, ascending to erect. Leaves with 9 to 17 elliptic leaflets, 5–15 mm long with rounded tips; stipules lanceolate, 2–6 mm long, distinct. Inflorescence longer than the leaves, short, dense with 3 to 12 spreading to ascending flowers, often prostrate in fruit. Flowers lavender; calyx black- and/or white-strigose; sepals 3–5 mm long; banner 15–22 mm long, moderately reflexed; keel 14–20 mm long. Legume linear-oblong with a subulate tip, 15–27 mm long, strigillose, turgid, becoming leathery (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety missouriensis.

Species Range
Montana Range


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 116

(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, pine woodlands; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Rundquist, V.M. 1973. Avian ecology on stock ponds in two vegetational types in north-central Montana. Ph.D. Dissertation. Bozeman, MT: Montana State University. 112 p.
  • Web Search Engines for Articles on "Missouri Milkvetch"
Login Logout
Citation for data on this website:
Missouri Milkvetch — Astragalus missouriensis.  Montana Field Guide.  .  Retrieved on , from