Shrubs, 40–60(–80) dm. Stems: ?older trunks usually bearing compound thorns?; twigs: new growth reddish green, usually glabrous, 1-year old dark, shiny reddish brown, 2–3-years old becoming dark gray, older ± paler gray; thorns on twigs usually numerous, recurved, shiny, dark blackish brown, older gray, stout, 3–7(–11) cm. Leaves: petiole 1–2 cm, ?narrowly winged distally?, glabrous, eglandular, rarely glandular (on distal wing); blade narrowly rhombic-elliptic to broadly rhombic-ovate (sometimes narrowly obovate), 4–7(–10) cm ?widest near middle?, subcoriaceous mature (then often blue-green), base cuneate (constricted into winged distal part of petioles), lobes 3–5 per side, sinuses obscure to well-marked, LII 5–15%, lobe apex usually obtuse, margins serrate except near bases, veins 6–8 per side, ?impressed?, apex acute to obtuse, abaxial surface glabrous (except in var. pertomentosa), adaxial scabrous-pubescent young. Inflorescences 15–30-flowered; branches pubescent or glabrous; bracteoles ?± pallid?, linear, margins glandular, sometimes long-stipitate-glandular. Flowers 13–19 mm diam.; hypanthium glabrous or sparsely to densely pubescent; sepals narrowly triangular, 4–6 mm, margins glandular-serrate to glandular-laciniate, abaxial pubescence not recorded, adaxially glabrous; stamens 10, anthers white or pink, ?0.9–1.2 mm?; styles 2 or 3. Pomes: brilliant scarlet (west) to full crimson (east), suborbicular, 7–12 mm diam., ?succulent mature?, glabrous or pubescent; sepals spreading-reflexed; pyrenes 2 or 3, sides pitted. 2n = 68.
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