Crataegus coccinea var. pringlei
J. Bot. Res. Inst. Texas 1: 1005. 2007.
Leaf-blades broadly elliptic to elliptic-ovate, 4–7 cm (length/width = 1.2), conspicuously concavo-convex, base rounded to broadly cuneate, lobe sinuses often shallow. Stamens 8–10. Pomes usually oblong. 2n = 51, 68.
Phenology: Flowering May; fruiting Sep–Oct.
Habitat: Brush, woodland margins, fencerows, overgrown pastures
Elevation: 10–300 m
Ont., Que., Conn., Ill., Ind., Mass., Mich., Minn., N.H., N.Y., Ohio, Pa., R.I., Vt., Wis.
Variety pringlei is found throughout much of the range of the species, just reaching Quebec, but is absent in Virginia and North Carolina. Extreme forms are very distinct in appearance with their strikingly convex, broadly elliptic, usually shallowly incised leaves and often oblong fruit. Intermediates with var. coccinea are common.
"glabrate" is not a number.