Crataegus basilica Beadle

Leaf blades ± ovate, 3–6 cm, base subtruncate to rounded, sinuses shallow (max LII 15–20%), proximal lobe almost never most deeply separated, spreading at 45º–60º. Inflorescence branches glabrous. Flowers 15–20 mm diam. Pomes 8–15 mm diam. 2n = 51.

Flowering Apr–May; fruiting Sep–Oct. Brush, field margins, woodland edges; 50–1500 m; Ont., Que.; Ark., Conn., Ill., Ind., Ky., Maine, Md., Mass., Mich., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Tenn., Vt., Va., W.Va., Wis.

Variety schuettei represents the bulk of the species and is locally common throughout much of its range.