Flora of North America species comparison

with axillary end buds, glabrous.

with terminal end buds, glabrous or sparsely to densely puberulent (var. susquehanae).

deciduous;

petiole 1–7 mm, glabrous, eglandular;

blade elliptic, ovate, or suborbiculate, 0.6–3 × 0.5–2 cm, base obtuse to rounded, subcordate, or truncate, margins obscurely crenulate, crenulate-serrulate, or serrate, teeth blunt, glandular, apex usually obtuse to rounded, sometimes emarginate, surfaces glabrous.

deciduous;

petiole 2–10(–13) mm, glabrous or hairy only when young, sometimes glandular distally or on margins at bases of blades, glands 1–2;

blade elliptic, oblanceolate, or obovate, 2.5–8 × 0.8–3 cm, base obtuse, cuneate, or long-attenuate, margins crenulate-serrulate to serrate in distal 1/2–2/3, teeth sharp or blunt, callus-tipped, sometimes glandular, apex short-acuminate to rounded, surfaces glabrous.

1–3-flowered, umbellate fascicles.

2–5-flowered, umbellate fascicles.

2–12 mm, glabrous.

3–19 mm, glabrous.

blooming at leaf emergence;

hypanthium campanulate, 2–4 mm, glabrous externally;

sepals erect-spreading, semicircular to ovate, 1.2–4 mm, margins glandular-toothed, ciliate, abaxial surface glabrous, adaxial hairy;

petals usually white, sometimes pinkish rose, elliptic, obovate, or suborbiculate, 3–10 mm;

ovaries hairy.

blooming before leaf emergence;

hypanthium campanulate, 1.7–3 mm, glabrous externally;

sepals erect to reflexed, semicircular, 1.3–2.8 mm, margins glandular-toothed, surfaces glabrous;

petals white, oblanceolate, oblong, or suborbiculate, 3–9 mm;

ovaries glabrous.

yellowish, ellipsoid-ovoid, 8–15 mm, densely puberulent;

mesocarps leathery to dry (splitting);

stones ovoid, ± flattened.

dark purple to nearly black, subglobose or broadly ellipsoid, 6–12 mm, glabrous;

mesocarps fleshy;

stones subglobose, ovoid, or fusiform, not flattened.