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Montana Field Guides

Pursh's Silky Lupine - Lupinus sericeus

Native Species

Global Rank: G5
State Rank: S4S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 3

External Links






 
General Description
Perennial from a branched caudex. Stems erect to ascending, 20–60 cm, silky-strigose, branched above. Leaves basal and cauline; lower petioles 3–10 cm long; leaflets 7 to 9, oblanceolate, sericeous on both surfaces, 2–5 cm long with acute tips. Racemes somewhat open, higher than the leaves, 5–15 cm long. Flowers blue; calyx tube 1–2 mm long, villous; upper lip 3–5 mm long, ca. as long as the lower; banner 8–12 mm long, pubescent on much of the back, reflexed 60° or more; wings 9–12 mm long. Legume 2–3 cm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Year-round
 


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 2127

(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
Grasslands, sagebrush steppe, woodlands, dry open forest; plains, valleys to subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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 bifarius, Bombus centralis, Bombus fervidus, Bombus flavifrons, Bombus frigidus, Bombus huntii, Bombus melanopygus, Bombus mixtus, Bombus nevadensis, Bombus rufocinctus, Bombus sylvicola, Bombus sitkensis, Bombus occidentalis, Bombus pensylvanicus, Bombus bimaculatus, Bombus griseocollis, Bombus impatiens, and Bombus kirbiellus (Macior 1974, Thorp et al. 1983, Bauer 1983, Mayer et al. 2000, Wilson et al. 2010, Colla and Dumesh 2010, Koch et al. 2012, Miller-Struttmann and Galen 2014, Williams et al. 2014).

References
  • Literature Cited AboveLegend:   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.
    • 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.
    • Koch, J., J. Strange, and P. Williams. 2012. Bumble bees of the western United States. Washington, DC: USDA Forest Service, Pollinator Partnership. 143 p.
    • Macior, L.M. 1974. Pollination ecology of the Front Range of the Colorado Rocky Mountains. Melanderia 15: 1-59.
    • 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.
    • 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.
    • 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.
    • 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
    Do you know of a citation we're missing?
    • Ament, R.J. 1995. Pioneer Plant Communities Five Years After the 1988 Yellowstone Fires. M.Sc. Thesis. Bozeman, MT: Montana State University. 216 p.
    • Anderson, N.L. 1962. Grasshopper-vegetation relationships on Montana grasslands. Ph.D Dissertation. Bozeman, Montana: Montana State University. 73 p.
    • Aradottir, A.L. 1984. Ammonia volatilization from native grasslands and forests of SW Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 48 p.
    • Bess, J.A. 1997. The leafhopper species assemblages associated with native and replanted grasslands in southwest Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 94 p.
    • Conway, T.M. 1982. Response of understory vegetation to varied lodgepole pine (Pinus contorta) spacing intervals in Western Montana. M.Sc. Thesis. Bpzeman, MT: Montana State University. 76 p.
    • Dale, D. 1973. Effects of trail use under forests in the Madison Range, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 96 pp.
    • Douglass, R.J. 1973. Spatial interactions and microhabitat selections of two locally sympatric voles, Microtus montanus and Microtus pennsylvanicus. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 48 p.
    • Eversman, S.T. 1968. A comparison of plant communities and substrates of avalanche and non-avalanche areas in south central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 39 pp.
    • Fogelsong, M.L. 1974. Effects of fluorides on Peromyscus maniculatus in Glacier National Park. M.Sc. Thesis. Bozeman, Montana: Montana State University. 52 p.
    • Glazier, R.J. 1971. Ecological and morphological relationships of subspecies of Peromyscus maniculatus near St. Mary, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 41 p.
    • Haglund, B.M. 1972. Ecological effects of weather modification, Bangtail Ridge, Bridger Range, Montana: relationships of pocket gophers (Thomomys talpoides) to time of snow melt. M.Sc. Thesis. Bozeman, Montana: Montana State University. 26 p.
    • Hollenbeck, R.R. 1974. Growth rates and movements within a population of Rana pretiosa pretiosa Baird and Girard in south central Montana. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 66 p.
    • Husby, P.O. 1982. Effects of grazing on vegetation in the Artemisia tridentata-Festuca idahoensis habitat type. M.Sc. Thesis. Bozeman, MT: Montana State University. 76 p.
    • Johnson, T. W. 1982. An analysis of pack and saddle stock grazing areas in the Bob Marshall Wilderness. M.Sc.Thesis. Bozeman, MT: Montana State University. 105 p.
    • 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.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Martinka, R.R. 1970. Structural characteristics and ecological relationships of male blue grouse (Dendragapus obscurus (Say)) territories in southwestern Montana. Ph.D Dissertation. Bozeman, MT: Montana State University. 73 p.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
    • Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 p.
    • Simanonok, M. 2018. Plant-pollinator network assembly after wildfire. Ph.D. Dissertation. Bozeman, MT: Montana State University. 123 p.
    • Stansberry, B.J. 1991. Distribution, movements, and habitat use during spring, summer, and fall by mule deer in the North Salish Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 64 p.
    • Wachter, D.H. 1995. The ecology of selected grasshopper species along an elevational gradient. M.Sc. Thesis. Bozeman, Montana: Montana State University. 59 p.
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Citation for data on this website:
Pursh's Silky Lupine — Lupinus sericeus.  Montana Field Guide.  .  Retrieved on , from