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Montana Field Guide

Montana Field Guides

Yellow Alfalfa - Medicago falcata
Other Names:  Medicago sativa ssp. falcata

Non-native Species

Global Rank: GNRTNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 1

External Links

General Description
Deep-rooted perennial similar to M. sativa. Stems ascending, 40–100 cm. Herbage sparsely strigose. Leaflets oblanceolate 2–4 cm long. Inflorescence 1–2 cm long with 10 to 50 flowers. Flowers yellow, 6–8 mm long; calyx 3–5 mm long. Legume linear-elliptic, curved, not coiled, 6–10 mm wide, glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
An introduced species from Europe.

Observations in Montana Natural Heritage Program Database
Number of Observations: 23

(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:
Yellow Alfalfa — Medicago falcata.  Montana Field Guide.  .  Retrieved on , from