Crataegus ×oreophila R.W. Lance. Phen: May; Sep. Hab: High elevation forests, balds. Dist: Endemic to central and western Great Balsam Mountains (Jackson, Haywood Counties, NC).
ID notes:Often sympatric with Crataegus macrosperma Ashe, differing in the rhombic-elliptic leaf shape and more arborescent habit (3-8 m).
Origin/Endemic status: Endemic
Taxonomy Comments: A tetraploid apomict, presumed of hybrid origin between C. macrosperma and C. succulenta or C. punctata, the latter two species no longer known from the Great Balsam Mountains. See Lance (2013, 2014) for detailed information.
Synonymy: = Lance (2014); = Crataegus oreophila Lance – Lance (2013); = n/a – FNA9; < Crataegus macrosperma Ashe – RAB