Flora of North America species comparison

with axillary end buds, hairy.

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

deciduous;

petiole 4–7 mm, hairy, eglandular;

blade elliptic to obovate, 1.5–4 × 1–2.2 cm, base obtuse to rounded, margins crenulate-serrulate, teeth blunt, often glandular, apex acute to obtuse, abaxial surface hairy (especially along midribs and veins), adaxial glabrate.

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.

0.5–5(–8) mm, usually glabrous, rarely hairy.

3–19 mm, glabrous.

blooming before leaf emergence;

hypanthium cupulate, 1.5–2.5 mm, glabrous externally;

sepals spreading, oblong, 1.5–2.5 mm, margins glandular-toothed, surfaces glabrous or adaxially hairy at bases;

petals white, elliptic, 4–8 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.

bluish black, globose, 10–15 mm, glabrous;

mesocarps fleshy;

stones subglobose, ± flattened.

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

mesocarps fleshy;

stones subglobose, ovoid, or fusiform, not flattened.

= 32.