Trees, rarely suckering, 30–120 dm, sparsely thorny. Twigs with axillary end buds, usually glabrous, sometimes hairy. Leaves deciduous; petiole 4–18 mm, hairy, rarely only adaxially, usually glandular distally, glands 1–2(–4); blade usually elliptic, sometimes broadly elliptic, obovate, ovate, or oblong, 6–12 × 3–7 cm, base usually obtuse to broadly rounded, sometimes subcordate, margins ?coarsely?, doubly serrate, teeth sharp, eglandular, apex usually abruptly acuminate to acuminate, rarely acute, abaxial surface densely hairy, adaxial ?rugose?, glabrous or hairy. Inflorescences 2–5-flowered, umbellate fascicles. Pedicels 4–20 mm, usually glabrous, sometimes sparsely hairy. Flowers blooming before leaf emergence; hypanthium obconic, 2–4.5 mm, glabrous or hairy externally; sepals reflexed, ovate to lanceolate, 1.5–4 mm, margins entire or irregularly or obscurely glandular-toothed, sometimes 2-fid at apices, ?ciliate?, surfaces hairy; petals white, sometimes turning pink, elliptic to obovate, 5–10 mm; ovaries glabrous. Drupes purplish red to dark blue, ?glaucous?, subglobose to ellipsoid, 15–30 mm, glabrous; mesocarps fleshy; stones ovoid-ellipsoid, strongly flattened.
"Tree to 12 m, not sprouting from the roots; lvs firm, oblong to oblong-obovate, 6–10 cm, abruptly acuminate, broadly rounded at base, coarsely and usually doubly serrate with broad, acuminate, ovate-triangular teeth 1–2 mm, slightly pubescent and somewhat rugose above, permanently soft-pubescent and ± reticulate-veiny beneath; petiole usually with a pair of distal glands; pedicels usually glabrous, 8–20 mm; hypanthium glabrous or sparsely pubescent; sep narrowly oblong, 2–3 mm, pubescent on both sides; pet white, 8–10 mm; fr purplish-red, glaucous, globose or ellipsoid, 2–3 cm long; stone turgid, obovoid to subglobose. Rocky open woods; Mo. and s. Ill. to Ala. and Tex., and n. Mex., with outlying stations to O., Ky. and S.D. Apr. (P. americana var. lanata)"
|Mexican or bigtree plum|