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Crataegus ×dispessa W.W. Ashe. Common name: Monteer Hawthorn. Phenology: May; Sept-Oct. Habitat: Streamsides, brushy woodlands. Distribution: MO, AR.

Origin/Endemic status: Endemic

Taxonomy Comments: Assumed of hybrid origin between a form of C. collina Chapman and a member of series Molles. Described in 1903, it is the earliest of a complex of similar hybrids subsequently named by Charles Sargent from the region of MO and AR, all apparently from a similar parental combination but each entity differing slightly, owing to different parental genotypes. Possibly all these putative hybrid taxa by Sargent (C. ×fastosa, C. ×kelloggii, C. ×latebrosa, C. ×noelensis, C. ×treleasei) could be designated as nothovarieties under C. ×dispessa.

Synonymy ⓘ: > Crataegus ×dispessa Ashe — FNA9; >< Crataegus dispessa Ashe — F, Phipps, O’Kennon, & Lance (2003); > Crataegus fastosa Sarg. — Phipps, O’Kennon, & Lance (2003), Sargent (1903); > Crataegus kelloggii Sarg. — FNA9, Sargent (1903); > Crataegus latebrosa Sarg. — FNA9, Sargent (1911a); > Crataegus noelensis Sarg. — Sargent (1920); > Crataegus treleasei Sarg. — Sargent (1903). Basionym: Crataegus ×dispessa Ashe 1903

Links to other floras: > Crataegus kelloggii - FNA9; > Crataegus latebrosa - FNA9; > Crataegus ×dispessa - FNA9

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