Crataegus pruinosa

Crataegus pruinosa is a species of hawthorn known by the common name frosted hawthorn. It is native to a wide area of the eastern United States and southern Canada, and is sometimes considered to be several species, rather than just one.

Crataegus pruinosa
Frosted Thorn (2981720487).jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Crataegus
Section: Crataegus sect. Coccineae
Series: Crataegus ser. Pruinosae
C. pruinosa
Binomial name
Crataegus pruinosa

The pulp of the small fruits is edible.[1]


The following varieties are recognized in the Flora of North America (2015):[2]

  • C. pruinosa var. pruinosa, synonyms:
    • C. bracteata Sarg.
    • C. tumida Sarg.
  • C. pruinosa var. dissona (Sarg.) Eggl., synonyms:
    • C. dissona Sarg.
    • C. brachypoda Sarg.
    • C. disjuncta Sarg.
    • C. rigida Sarg.
  • C. pruinosa var. parvula (Sarg.) J.B.Phipps, synonyms:
    • C. parvula Sarg.
  • C. pruinosa var. rugosa (Ashe) Kruschke, synonyms:
    • C. rugosa Ashe
    • C. leiophylla Sarg.
    • C. mackenziei Sarg. ex Mackenzie
    • C. rubicundula Sarg.
    • C. seclusa Sarg.
    • C. seducta Sarg.
  • C. pruinosa var. virella (Ashe) Kruschke, synonyms:
    • C. virella Ashe
  • C. pruinosa var. magnifolia (Sarg.) J.B.Phipps, synonyms:
    • C. magnifolia Sarg.


  1. ^ Little, Elbert L. (1980). The Audubon Society Field Guide to North American Trees: Eastern Region. New York: Knopf. p. 480. ISBN 0-394-50760-6.
  2. ^ Phipps, J.B. (2015), "Crataegus pruinosa (H. L. Wendland) K.Koch Hort. Dendrol. 168 1853", in L. Brouillet; K. Gandhi; C.L. Howard; H. Jeude; R.W. Kiger; J.B. Phipps; A.C. Pryor; H.H. Schmidt; J.L. Strother; J.L. Zarucchi (eds.), Magnoliophyta: Picramniaceae to Rosaceae, Flora of North America North of Mexico, 9, New York, Oxford: Oxford University Press, pp. 574–577

External linksEdit