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Stems 8–75 cm, clustered on the caudex. Leaves mainly cauline 2–15 cm long; blades deeply pinnately lobed into narrowly oblong, serrate segments 5–60 mm long. Inflorescence densely flowered, 3–20 cm long; bracts lanceolate, ciliate. Flowers: calyx 6–13 mm long, 5-lobed, the lobes 4–8 mm long, the closest to the galea shorter; corolla yellow or purplish, 12–26 mm long; galea 4–12 mm long, arched; beak tip small or lacking. Capsule 4–13 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
We have varieties bracteosa, paysoniana (Pennell) Cronquist and canbyi (A.Gray) Cronquist.
BC, AB south to CA and CO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
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(Observations spanning multiple months or years are excluded from time charts)
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 bifarius, Bombus fervidus, Bombus flavifrons, Bombus frigidus, Bombus melanopygus, Bombus mixtus, Bombus rufocinctus, Bombus sylvicola, Bombus occidentalis, and Bombus kirbiellus (Plath 1934, Macior 1974, Wilson et al. 2010, Miller-Struttmann and Galen 2014, Williams et al. 2014).
Literature Cited AboveLegend:    View Online Publication
Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
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.
Plath, O.E. 1934. Bumblebees and their ways. New York, NY: Macmillan Company. 201 p.
Williams, P., R. Thorp, L. Richardson, and S. Colla. 2014. Bumble Bees of North America. Princeton, NJ: Princeton University Press. 208 p.
Wilson, J.S., L.E. Wilson, L.D. Loftis, and T. Griswold. 2010. The montane bee fauna of north central Washington, USA, with floral associations. Western North American Naturalist 70(2): 198-207.
Additional ReferencesLegend:    View Online Publication
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Dale, D. 1973. Effects of trail use under forests in the Madison Range, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 96 pp.
Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
Joslin, G.J. 1975. Behavior and environmental selection by Elk (Cervus canadensis nelsoni) during surrmer and fall in the First and Second Yellow Mule drainages, Madison County, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University, Bozeman. 65 p.
Martin, S.A. 1985. Ecology of the Rock Creek bighorn sheep herd, Beartooth Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 152 p.
Simanonok, M.P., and L.A. Burkle. 2014. Partitioning interaction turnover among alpine pollination networks: Spatial temporal, and environmental patterns. Ecosphere 5(11):149.
Steerey, W. F. 1979. Distribution, range use and population characteristics of Mule Deer associated with the Schafer Creek winter range, Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 119 p.
Stoecker, R.E. 1967. A population study of five species of small rodents in the Bridger Mountains of Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 32 p.
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Bracted Lousewort — Pedicularis bracteosa.  Montana Field Guide.  Montana Natural Heritage Program.  Retrieved on September 27, 2022, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=PDSCR1K040