Sheep Cinquefoil - Potentilla ovina
MNPS Threat Rank
Perennial from a branched caudex clothed in old stipules, sometimes forming loose mats. Stems ascending to lax, with sparse, wrinkled, spreading hair 3–15 cm. Leaf blades sericeous, linear, 1–5 cm long, pinnately divided into 9 to 21 deeply lobed leaflets, the ultimate segments linear. Inflorescence few-flowered, appressed-hairy, open with spreading branches. Flowers sepals lanceolate, 3–5 mm long; bracteoles narrower and shorter; petals yellow, 4–6 mm long, longer than the sepals. Achenes smooth, ca. 1.5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
BC to SK south to CA, UT and MN (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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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 species or genera where their geographic ranges overlap: Bombus bifarius
, Bombus fervidus
, Bombus frigidus
, Bombus rufocinctus
, Bombus occidentalis
, Bombus pensylvanicus
, Bombus impatiens
, and Bombus flavidus
(Thorp et al. 1983, Wilson et al. 2010, Colla and Dumesh 2010, Colla et al. 2011, Koch and Strange 2012, Koch et al. 2012, Williams et al. 2014).
- Literature Cited AboveLegend: View Online Publication
- Colla, S., L. Richardson, and P. Williams. 2011. Bumble bees of the eastern United States. Washington, DC: USDA Forest Service, Pollinator Partnership. 103 p.
- 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.
- Koch, J.B. and J.P. Strange. 2012. The status of Bombus occidentalis and B. moderatus in Alaska with special focus on Nosema bombi incidence. Northwest Science 86: 212-220.
- 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?
- 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.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Pallister, G.L. 1974. The seasonal distribution and range use of bighorn sheep in the Beartooth Mountains, with special reference to the West Rosebud and Stillwater herds. M.Sc. Thesis. Bozeman, MT: Montana State University. 67 p.
- Peck, S.V. 1972. The ecology of the Rocky Mountain goat in the Spanish Peaks area of southwestern Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 54 p.