Flora of North America species comparison

with axillary end buds, glabrous.

with axillary end buds, densely hairy.

deciduous;

petiole 5–20 mm, glabrous except for a few hairs on adaxial surface, eglandular;

blade ovate, elliptic, or obovate, 3–7 × 1.5–3.5 cm, base obtuse, margins singly to doubly crenate-serrate, teeth blunt, glandular, apex obtuse to acute, abaxial surface hairy along midribs and veins, adaxial glabrous.

deciduous;

petiole 3–8 mm, densely hairy, usually eglandular, sometimes glandular distally, glands 1–3, discoid;

blade usually ovate or elliptic, rarely obovate, 2–5(–7) × 1–2.5(–3.6) cm, base obtuse to cuneate, margins finely, singly or doubly serrulate, teeth sharp, usually eglandular, sometimes glandular, glands blackish, spheric, apex acute to obtuse, abaxial surface densely hairy, adaxial sparsely hairy.

usually solitary flowers, sometimes 2-flowered fascicles.

2–4(–6)-flowered, umbellate fascicles.

(4–)10–18 mm, glabrous.

4–15 mm, hairy.

blooming before leaf emergence;

hypanthium campanulate, 2–4 mm, glabrous externally;

sepals reflexed to spreading, oblong-ovate, 2–4 mm, margins glandular-toothed to nearly entire, eciliate, abaxial surface glabrous, adaxial hairy at bases;

petals white (reddish pink in cultivars), elliptic to suborbiculate, 7–14 mm;

ovaries glabrous.

blooming before or at leaf emergence;

hypanthium campanulate, 2–3 mm, hairy externally;

sepals erect to spreading, ovate-oblong, 1.5–2.5 mm, margins usually entire, sometimes glandular-toothed or eglandular, sometimes ciliate, surfaces hairy;

petals white, oblong to obovate, 4–7 mm;

ovaries glabrous.

purple-red to yellow, sometimes glaucous, ovoid, ellipsoid, or globose, 15–30 mm, glabrous;

mesocarps fleshy;

stones ellipsoid to ovoid, ± to strongly flattened.

yellow, orange, or red, slightly glaucous, globose to ellipsoid, 9–18 mm, glabrous;

mesocarps fleshy;

stones subglobose to ellipsoid, ± flattened.

= 16.