Crataegus pennsylvanica Ashe. Pennsylvania Hawthorn. Phen: May; Sept. Hab: Mesic, open forests, alluvial forests. Dist: PA and OH, s. to c. WV; somewhat disjunct in sw. VA where it is apparently native; naturalizing near a cultivated specimen in Buncombe Co, NC.
Origin/Endemic status: Native
Taxonomy Comments: Morphology is intermediate between C. mollis and C. coccinea, suggesting possible hybrid origin.
Synonymy: = F, FNA9, G, Pa, Lance (2014); < Crataegus coccinea L. – C; > Crataegus pedicellata Sarg. var. ellwangeriana (Sarg.) Eggl. – F; > Crataegus tatnalliana Sarg. – Tat
Heliophily: 5
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