Flora of North America species comparison

with terminal end buds, glabrous.

with axillary end buds, usually glabrous, rarely hairy.

persistent;

petiole 5–8 mm, glabrous, eglandular;

blade narrowly elliptic to elliptic or oblanceolate, 5–10 × 1.5–4 cm, base cuneate to obtuse, margins entire or spinose-serrate, sometimes undulate, teeth sharp, eglandular, apex usually acute to short-acuminate, sometimes obtuse-apiculate, apicula acute, surfaces glabrous, abaxial glandular, glands 2, proximal, flat, circular to oval.

deciduous;

petiole 8–22 mm, glabrate with hairs adaxially, sometimes glandular distally, glands 1–3, discoid;

blade broadly elliptic to obovate, (5–)7–11 × 3–6.5 cm, base obtuse to rounded or subcordate, margins doubly crenate-serrate, teeth blunt, glandular, apex abruptly acuminate, abaxial surface hairy along midribs and major veins, adaxial glabrous.

12–30-flowered, racemes;

central axes 13–30(–43) mm, leafless at bases.

2–4-flowered, umbellate fascicles.

1–4 mm, glabrous.

7–20 mm, usually glabrous, rarely hairy.

usually bisexual, proximal sometimes staminate, blooming before leaf emergence;

hypanthium cupulate, 2.5–3 mm, glabrous externally;

sepals spreading, semicircular, 0.5–1 mm, margins usually entire, sometimes glandular-toothed, surfaces glabrous;

petals white, suborbiculate to elliptic, 1–1.5 mm;

ovaries glabrous.

blooming before or at leaf emergence;

hypanthium red-tinged, obconic, 3–4(–5) mm, usually glabrous, rarely hairy externally;

sepals broadly spreading to reflexed, ovate, 2–4(–5) mm, margins glandular-toothed, abaxial surface usually glabrous, rarely sparsely hairy, adaxial glabrous or hairy;

petals white, often fading to pink, suborbiculate to oblong-obovate, 8–13 mm;

ovaries glabrous.

black, ovoid, 9–12 mm, glabrous;

mesocarps leathery;

stones ovoid, not flattened, usually splitting open.

red, orange, or yellowish, barely glaucous, globose to ellipsoid, 15–30 mm, glabrous;

mesocarps fleshy;

stones ovoid-ellipsoid, strongly flattened.

= 32.

= 16.