Common Crabapple - Malus sylvestris
Tree to 10 meters. Younger branchlets sometimes hairy, often thorny. Leaf blades 2-6 cm long, ovate to elliptic, somewhat serrate, tips acuminate to cuspidate. Petals 8-20 mm long, whitish or pinkish. Fruits 1.5-2.5 cm in diameter, sour. (Adapted from: Welsh et al. 1993, A Utah Flora, 2nd ed.).
Introduced cultivated trees, often persisting and sometimes escaping.
Escaping erractically across parts of US.
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)
Disturbed areas, cultivated areas, abandoned homesteads.
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans
, Bombus centralis
, Bombus fervidus
, Bombus melanopygus
, Bombus nevadensis
, Bombus rufocinctus
, Bombus occidentalis
, Bombus pensylvanicus
, Bombus griseocollis
, Bombus impatiens
, and Bombus insularis
(Macior 1968, Thorp et al. 1983, Mayer et al. 2000, Colla and Dumesh 2010, Williams et al. 2014).
- Literature Cited AboveLegend: View Online Publication
- 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.
- Macior, L.M. 1968. Bombus (Hymenoptera, Apidae) queen foraging in relation to vernal pollination in Wisconsin. Ecology 49:20-25.
- 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.
- 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. 208 p.
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
- Little, E.L., Jr. 1979. Checklist of United States trees (native and naturalized). Agriculture Handbook No. 541. U.S. Forest Service, Washington, D.C. 375 pp.