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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
C-value: 1


Agency Status
USFWS:
USFS:
BLM:


 

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 et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Non-native
 


Range Comments
An introduced species from Europe.

Observations in Montana Natural Heritage Program Database
Number of Observations: 36

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

Recency

 

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



Habitat

Ecology
POLLINATORS
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans, Bombus appositus, Bombus borealis, Bombus fervidus, Bombus huntii, Bombus nevadensis, Bombus rufocinctus, Bombus ternarius, Bombus terricola, Bombus occidentalis, Bombus pensylvanicus, Bombus bimaculatus, Bombus griseocollis, and Bombus impatiens (Hobbs 1968, Thorp et al. 1983, Mayer et al. 2000, Colla and Dumesh 2010, Koch et al. 2012, Williams et al. 2014).

Management

References
  • Literature Cited AboveLegend:   View Online Publication
    • Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141: 39-68.
    • Hobbs, G.A. 1968. Ecology of species of Bombus (Hymenoptera: Apidae) in southern Alberta. VII. Subgenus Bombus. Canadian Entomologist 100(2): 156-164.
    • Koch, J., J. Strange, and P. Williams. 2012. Bumble bees of the western United States. Washington, DC: USDA Forest Service, Pollinator Partnership. 143 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Mayer, D.F., E.R. Miliczky, B.F. Finnigan, and C.A. Johnson. 2000. The bee fauna (Hymenoptera: Apoidea) of southeastern Washington. Journal of the Entomological Society of British Columbia 97: 25-31.
    • Thorp, R.W., D.S. Horning, and L.L. Dunning. 1983. Bumble bees and cuckoo bumble bees of California (Hymenoptera: Apidae). Bulletin of the California Insect Survey 23:1-79.
    • Williams, P., R. Thorp, L. Richardson, and S. Colla. 2014. Bumble Bees of North America. Princeton, NJ: Princeton University Press. 208 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • O'Connor, K.S. 1987. Ecology of white-tailed deer and mule deer in agricultural lands in the Gallatin Valley, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 67 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.
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Citation for data on this website:
Yellow Alfalfa — Medicago falcata.  Montana Field Guide.  .  Retrieved on , from