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Montana Field Guide

Montana Field Guides

Fleshy Hawthorn - Crataegus macracantha
Other Names:  Crataegus succulenta [in part], Crataegus phippsii

Native Species

Global Rank: G5
State Rank: S4?

Agency Status
MNPS Threat Rank:

External Links

General Description
Shrub 2–6 m. Stems purplish-brown, becoming gray; thorns 3–5 cm long, curved. Leaf blades ovate, 2–5 cm long, serrate, mostly unlobed, sparsely hairy above, glabrous beneath. Inflorescence 10- to 15-flowered, villous. Flowers: hypanthium villous; sepals 3–4 mm long, glandular-dentate; petals 6–8 mm long; stamens 10; styles 2 to 4. Pome 7–10 mm wide, red, pubescent (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

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

Observations in Montana Natural Heritage Program Database
Number of Observations: 8

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(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 auricomus, Bombus melanopygus, Bombus mixtus, Bombus nevadensis, Bombus pensylvanicus, Bombus bimaculatus, Bombus griseocollis, and Bombus impatiens (Macior 1968, Thorp et al. 1983, Colla and Dumesh 2010).

  • 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.
    • 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.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 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.
    • Scow, K.L. 1981. Ecological distribution of small mammals at Sarpy Creek, Montana, with special consideration of the Deer Mouse, Peromyscus maniculatus. M.Sc. Thesis. Bozeman, Montana: Montana State University. 73 p.
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Citation for data on this website:
Fleshy Hawthorn — Crataegus macracantha.  Montana Field Guide.  .  Retrieved on , from