Flora of North America species comparison

with terminal end buds, glabrous or puberulent.

with terminal end buds, densely puberulent.

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.

deciduous;

petiole 4–20 mm, glabrous or ± puberulent on adaxial surface, sometimes glandular distally, glands 1–2, discoid;

blade broadly ovate, oblong, or suborbiculate, 1.9–4.5 × 1.2–3.4 cm, base usually rounded to truncate, sometimes subcordate, margins crenate, teeth blunt, glandular, apex abruptly acuminate, apicula obtuse, surfaces usually glabrous, sometimes midribs and veins hairy abaxially.

15–50-flowered, racemes;

central axes 45–150 mm, leafy at bases.

4–10-flowered, corymbs;

central axes 8–40 mm.

3–17 mm, glabrous.

6–18 mm (subtended by leafy bracts), 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.

blooming at leaf emergence;

hypanthium conic-campanulate, 2–3 mm, glabrous externally;

sepals reflexed, oblong, 1.3–2 mm, margins entire, surfaces glabrous;

petals white, elliptic to obovate, 6–7 mm;

ovaries glabrous.

black, globose, 6–8 mm, glabrous;

hypanthium deciduous, leaving discs at bases of drupes;

mesocarps fleshy;

stones subglobose, not flattened, rugulose.

dark red to black, ovoid, 6–10 mm, glabrous;

mesocarps leathery;

stones ellipsoid to subglobose, ± flattened.

= 32.

= 16.