Flora of North America species comparison

with axillary end buds, glabrous or canescent.

with terminal end buds, glabrous.

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).

persistent;

petiole 14–20 mm, glabrous, eglandular;

blade elliptic, oblong-ovate, or ovate-lanceolate, 6–13 × 2.5–7 cm, base obtuse to rounded, margins crenate-dentate, teeth blunt, glandular, apex acuminate, surfaces glabrous, abaxial eglandular, if glands present, restricted to margins.

solitary flowers or 2-flowered fascicles.

18–60[–100]-flowered, racemes;

central axes 100–280 mm, leafless at bases.

0–4 mm, glabrous.

7–15(–22) mm, 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 after leaf emergence;

hypanthium cupulate, 2.5–3.5 mm, glabrous externally;

sepals spreading to reflexed, semicircular, 1–1.5 mm, margins entire, ± ciliate, abaxial surface glabrous, adaxial hairy;

petals white, suborbiculate to obovate, 4–7 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 purple, ovoid to conic-ovoid, 8–12 mm, glabrous;

mesocarps fleshy to leathery;

stones ovoid, not flattened.

= 32, 64.