Flora of North America species comparison

with axillary end buds, glabrous.

with terminal end buds, glabrous or puberulent.

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 8–17 mm, glabrous or puberulent on adaxial surface or both surfaces, glandular distally, glands 1–4;

blade elliptic to obovate, 5–10(–13) × 2.5–4.5(–7) cm, base obtuse to rounded or subcordate, margins serrate, teeth ascending to spreading, sharp, eglandular, apex acuminate to abruptly so, lateral veins 10–18 per side, raised abaxially, surfaces glabrous or abaxial hairy in vein axils or along midribs.

usually solitary flowers, sometimes 2-flowered fascicles.

15–50-flowered, racemes;

central axes 45–150 mm, leafy at bases.

(4–)10–18 mm, glabrous.

3–17 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 after leaf emergence;

hypanthium cupulate, 2–2.5 mm, glabrous externally;

sepals broadly spreading to reflexed, oblong-ovate, 1.2–2 mm (lengths greater than widths), margins glandular-toothed, surfaces glabrous;

petals white, obovate to suborbiculate, (5–)6–9 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.

black, globose, 6–8 mm, glabrous;

hypanthium deciduous, leaving discs at bases of drupes;

mesocarps fleshy;

stones subglobose, not flattened, rugulose.

= 16.

= 32.