Drummond's Willow - Salix drummondiana
MNPS Threat Rank
Shrubs 1–4 m. Twigs usually glaucous, especially around buds. Leaf blades 2–9 cm long, lanceolate to narrowly elliptic with entire, inrolled margins, green above, moderately to densely silver-hairy below Female catkins emerge before the leaves, 2–7 cm long, sessile; scales black, long-hairy. Capsules hairy, 3–6 mm long; stipes ca. 0.5 mm long; styles 1–2 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
YT to SK south to CA and NM (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)
Along streams, lakes, wetlands, glacial moraine, talus; valleys to upper subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
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 fervidus
, Bombus frigidus
, Bombus huntii
, Bombus melanopygus
, Bombus ternarius
, Bombus terricola
, Bombus sitkensis
, Bombus occidentalis
, Bombus pensylvanicus
, Bombus bimaculatus
, Bombus griseocollis
, Bombus impatiens
, and Bombus suckleyi
(Plath 1934, Macior 1968, Heinrich 1976, Thorp et al. 1983, Colla and Dumesh 2010, Colla et al. 2011, 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.
- Macior, L.M. 1968. Bombus (Hymenoptera, Apidae) queen foraging in relation to vernal pollination in Wisconsin. Ecology 49:20-25.
- Plath, O.E. 1934. Bumblebees and their ways. New York, NY: Macmillan Company. 201 p.
- 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.
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Argus, G. 2010. Salix. In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 16+ vols. New York and Oxford. Vol. 7.
- Baril, L.M. 2009. Change in deciduous woody vegetation, implications of increased willow (Salix spp.) growth for bird species diversity, and willow species composition in and around Yellowstone National Park's northern range. M.Sc. Thesis. Bozeman, Montana: Montana State University. 124 p.
- Burkholder, B.O. 2015. Seasonal distribution, winter habitat selection and willow utilization patterns of the Shiras Moose on the Mount Haggin Wildlife Management Area. M.Sc. Thesis. Bozeman, Montana: Montana State University. 262 p.
- Burkholder, B.O., N.J. DeCesare, R.A. Garrot, and S.J. Boccadori. 2017. Heterogeneity and power to detect trends in Moose browse utilization of willow communities. ALCES 53:23-29.
- Dale, D. 1973. Effects of trail use under forests in the Madison Range, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 96 pp.
- Dorn, R.D. 2010. The genus Salix in North America north of Mexico. 59 pp.
- Endicott, C.L. 1996. Responses of riparian and stream ecosystems to varying timing and intensity of livestock grazing in central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 115 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.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.