Montana Locoweed -
Oxytropis besseyi var. argophylla
No photos are currently available
If you have a high quality photo of this species, are confident in the identification, and would like to submit it
for inclusion on the Montana Field Guide, please send it to us using our online photo submission tool.
See species description.
Barneby (1989, Intermt. Flora, Vol. 3, Part B) uses the following characters to separate variety
argophylla: Larger laves 2-8 cm long and shorter than the scapes; leaflets 5-9(11), crowded on arachis less than 2 cm long; pod tumescent but not bladdery, 4-6 mm diameter; leaflets of mature leaves 3-10 mm long.
Southwest MT, northeast-central ID, WY (Park County) and NV (Elko County) (Kartesz 2009).
Observations in Montana Natural Heritage Program Database
Number of Observations:
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
(Observations spanning multiple months or years are excluded from time charts)
Commonly on limestone from foothills to subalpine; said to be commin in sw MT (Barneby 1989).
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap:
(Macior 1974, Bauer 1983, Shaw and Taylor 1986, Williams et al. 2014, Miller-Struttmann and Galen 2014).
Literature Cited Above
Legend: View Online Publication Bauer, P.J. 1983. Bumblebee pollination relationships on the Beartooth Plateau tundra of Southern Montana. American Journal of Botany. 70(1): 134-144. Macior, L.M. 1974. Pollination ecology of the Front Range of the Colorado Rocky Mountains. Melanderia 15: 1-59. Miller-Struttmann, N.E. and C. Galen. 2014. High-altitude multi-taskers: bumble bee food plant use broadens along an altitudinal productivity gradient. Oecologia 176:1033-1045. Shaw, D.C. and R.J. Taylor.1986. Pollination ecology of an alpine fell-field community in the North Cascades. Northwest Science 60:21-31. Williams, P., R. Thorp, L. Richardson, and S. Colla. 2014. Bumble Bees of North America. Princeton, NJ: Princeton University Press. 208 p. Additional References
Legend: 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.