Flora of North America species comparison

with axillary end buds, glabrous.

with axillary end buds, canescent.

deciduous;

petiole 2–14 mm, usually sparsely hairy on adaxial surface, rarely glabrous or hairy on both surfaces, usually eglandular, sometimes glandular distally, glands 1–2;

blade lanceolate to narrowly elliptic, usually folded along midribs, often ± falcate, 1.5–6 × 0.8–2 cm, base cuneate to obtuse, margins crenulate-serrulate, teeth blunt, glandular, glands reddish orange, conic, apex acute, abaxial surface glabrate with hairs along midribs and major veins, adaxial glabrous.

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.

2–4-flowered, umbellate fascicles.

solitary flowers.

3–10 mm, glabrous.

0–2 mm, puberulent.

blooming before, sometimes at, leaf emergence;

hypanthium campanulate, 1.5–3 mm, usually glabrous, rarely hairy, externally;

sepals erect to spreading, ovate, 1–2 mm, margins entire, sparsely ciliate, abaxial surface glabrous, adaxial hairy;

petals white, suborbiculate to obovate, 3–6 mm;

ovaries glabrous.

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.

red to yellow, lightly glaucous, globose to ellipsoid, 15–20 mm, glabrous;

mesocarps fleshy;

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.

= 16.