Flora of North America species comparison

with axillary end buds, glabrous or canescent.

with terminal end buds, densely puberulent.

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 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.

solitary flowers or 2-flowered fascicles.

4–10-flowered, corymbs;

central axes 8–40 mm.

0–4 mm, glabrous.

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

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.

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.

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

hypanthium tardily deciduous;

mesocarps leathery to dry;

stones ovoid, ± flattened.

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

mesocarps leathery;

stones ellipsoid to subglobose, ± flattened.

= 16.