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.

deciduous;

petiole 10–24 mm, glabrous, usually eglandular, sometimes with discoid marginal glands at bases of blades;

blade broadly elliptic to ovate or obovate, 4.4–6(–8) × 2.8–4(–6) cm, base obtuse to rounded, margins doubly crenate-serrate, teeth blunt, glandular, apex acute to abruptly acuminate, abaxial surface glabrous or glabrate, adaxial glabrous.

2–4-flowered, umbellate fascicles.

1–4-flowered, umbellate fascicles.

3–10 mm, glabrous.

8–37 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 at leaf emergence;

hypanthium tubular-campanulate, 4–6 mm, glabrous externally;

sepals reflexed, oblong, 4–7 mm, margins regularly glandular-toothed, surfaces glabrous;

petals white, suborbiculate, 10–14 mm;

ovaries glabrous.

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

mesocarps fleshy;

stones ovoid, ± flattened.

bright red, globose, 13–20 mm, glabrous;

mesocarps fleshy;

stones subglobose, not flattened.

= 16.

= 32.