Flora of North America species comparison

with terminal end buds, glabrous.

with axillary end buds, puberulent.

persistent;

petiole 3–25 mm, glabrous, eglandular;

blade oblong-ovate to ovate-lanceolate or ovate to suborbiculate, 1.6–12 × 1.2–5(–7) cm, base usually broadly rounded to subcordate, sometimes obtuse, margins spinose-dentate to spinose-serrulate or entire, sometimes undulate, teeth sharp, callus-tipped, sometimes glandular at leaf base, apex acute to acuminate, surfaces glabrous, abaxial eglandular, if glands present, restricted to margins.

deciduous;

petiole 1–3 mm, glabrous or puberulent, eglandular;

blade rhombic, obovate, or fan-shaped, 0.5–1.6(–2) × 0.2–0.8(–1.4) cm, base broadly obtuse or rounded to nearly truncate, margins serrate or dentate in distal 1/2, teeth blunt to sharp, some callus-tipped, rarely glandular, apex rounded to obtuse, surfaces puberulent.

15–40-flowered, racemes;

central axes 30–80 mm, leafless at bases.

solitary flowers.

1–5 mm, glabrous.

0 mm.

blooming before leaf emergence;

hypanthium cupulate, 2–3 mm, glabrous externally;

sepals erect to spreading, triangular, 0.7–1.2 mm, margins entire, surfaces usually glabrous, rarely with scattered hairs;

petals white to yellowish, elliptic, obovate, or suborbiculate, 1–3 mm;

ovaries glabrous.

unisexual, plants dioecious, blooming at leaf emergence;

hypanthium campanulate, 2.5–3 mm, glabrous externally;

sepals spreading to reflexed, triangular, 0.7–1 mm, margins entire, sparsely ciliate, surfaces glabrate;

petals white, obovate, 2 mm;

ovaries hairy.

dark red to purple or blue-black, obovoid or ellipsoid to globose, 12–25 mm, glabrous;

mesocarps leathery;

stones subglobose to ellipsoid, ± flattened.

reddish brown, ovoid, 8–11 mm, puberulent;

hypanthium tardily deciduous;

mesocarps leathery to dry (splitting);

stones ovoid, slightly flattened.