Species of hawthorn
Crataegus jackii is a hawthorn that is restricted to southern Quebec.[1] It is related to and has been considered to be a synonym of C. chrysocarpa,[2] but is very hairy, with larger flowers, and has been made a synonym of C. lumaria Ashe.[1]
References
- ^ a b Phipps, J.B. (2007). "Miscellaneous typifications, new combinations and one new variety in North American Crataegus (Rosaceae)". Journal of the Botanical Research Institute of Texas. 1 (12): 1005–10. JSTOR 41971529.
- ^ USDA Plants Profile