Crataegus rivularis

Crataegus rivularis
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Rosales
Family:	Rosaceae
Genus:	Crataegus
Section:	Douglasia
Series:	Cerrones; J.B.Phipps
Species:	C. rivularis
Binomial name
	Crataegus rivularis; Nutt. ex Torr. & A.Gray

Crataegus rivularis is a species of hawthorn known by the common name river hawthorn. It is native to the intermontane region of the northwestern United States, situated between the coastal ranges and the Rocky Mountains.^[1]

C. rivularis is one of the black-fruited hawthorn species. It is closely related to C. erythropoda, and less closely related to C. saligna.^[1]^[2]

Images

Young fruit
Young bark.

References and external links

^ ^a ^b ^c Phipps, J.B., O’Kennon, R.J., Lance, R.W. (2003). Hawthorns and medlars. Royal Horticultural Society, Cambridge, U.K.
^ Phipps, J.B. (1999). The relationships of the American black-fruited hawthorns Crataegus erythropoda, C. rivularis, C. saligna and C. brachyacantha to C. ser. Douglasianae (Rosaceae). Sida Contributions to Botany. 18(3): 647–660.

USDA Plants Profile

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[Phipps-1] Phipps, J.B., O’Kennon, R.J., Lance, R.W. (2003). Hawthorns and medlars. Royal Horticultural Society, Cambridge, U.K.

[2] Phipps, J.B. (1999). The relationships of the American black-fruited hawthorns Crataegus erythropoda, C. rivularis, C. saligna and C. brachyacantha to C. ser. Douglasianae (Rosaceae). Sida Contributions to Botany. 18(3): 647–660.

[1]

[2]

Images

See also

References and external links