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 5–20 mm, glabrous except for a few hairs on adaxial surface, eglandular;

blade ovate, elliptic, or obovate, 3–7 × 1.5–3.5 cm, base obtuse, margins singly to doubly crenate-serrate, teeth blunt, glandular, apex obtuse to acute, abaxial surface hairy along midribs and veins, adaxial 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.

usually solitary flowers, sometimes 2-flowered fascicles.

2–5-flowered, umbellate fascicles.

(4–)10–18 mm, glabrous.

3–19 mm, glabrous.

blooming before leaf emergence;

hypanthium campanulate, 2–4 mm, glabrous externally;

sepals reflexed to spreading, oblong-ovate, 2–4 mm, margins glandular-toothed to nearly entire, eciliate, abaxial surface glabrous, adaxial hairy at bases;

petals white (reddish pink in cultivars), elliptic to suborbiculate, 7–14 mm;

ovaries glabrous.

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.

purple-red to yellow, sometimes glaucous, ovoid, ellipsoid, or globose, 15–30 mm, glabrous;

mesocarps fleshy;

stones ellipsoid to ovoid, ± to strongly flattened.

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

mesocarps fleshy;

stones subglobose, ovoid, or fusiform, not flattened.

= 16.