''Crataegus rivularis'' is a species of
hawthorn
Hawthorn or Hawthorns may refer to:
Plants
* '' Crataegus'' (hawthorn), a large genus of shrubs and trees in the family Rosaceae
* ''Rhaphiolepis'' (hawthorn), a genus of about 15 species of evergreen shrubs and small trees in the family Rosace ...
known by the common name river hawthorn. It is native to the
intermontane
Intermontane is a physiographic adjective formed from the prefix " inter-" (''signifying among, between, amid, during, within, mutual, reciprocal'') and the adjective "montane" (inhabiting, or growing in mountainous regions, especially cool, moi ...
region of the northwestern United States, situated between the coastal ranges and the
Rocky Mountains
The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico ...
.
''C. rivularis'' is one of the black-fruited hawthorn species. It is closely related to ''
C. erythropoda'', and less closely related to ''
C. saligna''.
Images
Image:Crataegus_rivularis_young_fruit.jpg, Young fruit
Image:Crataegus_rivularis_young_bark.jpg, Young bark.
See also
* List of hawthorn species with black fruit Most species of '' Crataegus'' (hawthorn) have red fruit, some have yellow fruit, and a number of species can have black or purple fruit.
Eurasian species
* '' C. ambigua''
* ''C. caucasica''
* '' C. chlorosarca'', Asian
* ''C. clarkei'', Asian
* ...
References
rivularis
Flora of North America
{{crataegus-stub