View in other NatureServe Network Field Guides
NatureServe
Montana
Utah
Wyoming
Idaho
Wisconsin
British Columbia
South Carolina
Yukon
California
New York
English Hawthorn - Crataegus monogyna
Other Names:
Common Hawthorn, Single-seeded Hawthorn
General Description
Shrub or small tree 5–8 m high. Stems reddish at first, becoming gray; thorns 1–2 cm long, straight. Leaf blades ovate, 2–4 cm long, serrate, deeply 3- to 7-lobed, glabrous to sparsely hairy. Inflorescence 10- to 20-flowered, pubescent. Flowers: hypanthium pubescent; sepals 1–2 mm long; petals 5–7 mm long; stamens 20; style 1. Pome 8–10 mm wide, red, glabrous (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Diagnostic Characteristics
Escaped from cultivation throughout most of temperate N. America and collected in Missoula County; native to Europe (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Species Range
Montana Range
Range Descriptions
Non-native
Observations in Montana Natural Heritage Program Database
Number of Observations: 10
(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
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 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).
Management
Stewardship Responsibility
References
- 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.- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- 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. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
- Web Search Engines for Articles on "English Hawthorn"
