Flora of North America species comparison

with axillary end buds, glabrous or canescent.

with axillary end buds, canescent.

deciduous;

sessile;

blade oblanceolate to linear, 0.5–2 × 0.1–0.2(–0.4) cm, base long-attenuate, margins nearly entire or obscurely and remotely serrulate in distal 1/3, teeth blunt to sharp, sometimes glandular, apex rounded to acute, surfaces puberulent or glabrous or low-papillate (var. punctata).

deciduous;

petiole 1–2(–6) mm, glabrous, eglandular;

blade elliptic or obovate, 0.5–1.6(–3.5) × 0.3–0.8(–2.1) cm, base cuneate, margins usually entire, sometimes irregularly serrulate (sometimes dentate on long shoots), teeth sharp to blunt, eglandular, some callus-tipped, apex usually obtuse to rounded, sometimes apiculate, surfaces glabrous.

solitary flowers or 2-flowered fascicles.

solitary flowers.

0–4 mm, glabrous.

0–2 mm, puberulent.

unisexual, plants dioecious, blooming at leaf emergence;

hypanthium campanulate, 1.5–3 mm, glabrous externally;

sepals erect-spreading, triangular, 0.7–1 mm, margins entire, surfaces glabrous;

petals white to yellowish, elliptic, obovate, or suborbiculate, 1.4–2.5(–4) mm;

ovaries hairy.

unisexual, plants dioecious, blooming at leaf emergence;

hypanthium campanulate, 2–3 mm, glabrous externally;

sepals spreading, triangular, 0.7–1.5 mm, margins entire, surfaces glabrous;

petals white, obovate, 2–3.5 mm;

ovaries hairy.

gray to red-brown, ovoid, ± compressed, 7–15 mm, densely puberulent;

hypanthium tardily deciduous;

mesocarps leathery to dry;

stones ovoid, ± flattened.

reddish brown, globose to ovoid, 9–12 mm, puberulent;

hypanthium tardily deciduous;

mesocarps leathery to dry (slightly splitting);

stones ovoid to subglobose, not flattened.