Flora of North America species comparison

with axillary end buds, glabrous.

with terminal end buds, glabrous.

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.

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.

2–4-flowered, umbellate fascicles.

18–60[–100]-flowered, racemes;

central axes 100–280 mm, leafless at bases.

3–10 mm, glabrous.

7–15(–22) mm, glabrous.

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.

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.

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

mesocarps fleshy;

stones ovoid, ± flattened.

dark purple, ovoid to conic-ovoid, 8–12 mm, glabrous;

mesocarps fleshy to leathery;

stones ovoid, not flattened.

= 16.

= 32, 64.