Flora of North America species comparison

with axillary end buds, usually glabrous, rarely puberulent.

with terminal end buds, sparsely hairy.

deciduous; ± sessile;

blade narrowly elliptic, obovate, oblanceolate, or spatulate, 1–3 × 0.2–0.6 cm, base long-attenuate, margins usually serrulate, sometimes obscurely, teeth blunt, inconspicuously glandular, apex usually acute, sometimes obtuse, surfaces usually glabrous, sometimes puberulent.

deciduous;

petiole 10–20 mm, hairy, sometimes glandular distally, glands 1–2;

blade elliptic-ovate to obovate, 5–12 × 2.5–7 cm, base rounded, margins doubly serrate, teeth aristate, glandular, apex acuminate, abaxial surface hairy along midribs and veins, adaxial glabrous.

solitary flowers or 2-flowered fascicles.

2–6-flowered, corymbs;

central axes 4–8(–20) mm.

(1–)4–12 mm, glabrous.

15–25 mm (subtended by leafy bracts), hairy.

blooming at leaf emergence;

hypanthium campanulate, 3–4 mm, usually glabrous, rarely puberulent externally;

sepals spreading, triangular, 1.5–2.5 mm, margins sparsely glandular-toothed, ciliate, surfaces glabrate;

petals usually dark pink, sometimes nearly white, elliptic, obovate, or suborbiculate, (5–)8–11 mm;

ovaries hairy.

blooming before leaf emergence;

hypanthium tubular, 7–8 mm, hairy externally;

sepals spreading, ovate-lanceolate, 4–5 mm, margins glandular-toothed, abaxial surface hairy, adaxial sparsely hairy;

petals white or pink, broadly elliptic to obovate, 13–15 mm;

ovaries glabrous.

greenish yellow to red-orange, globose to asymmetrically obovoid, compressed, 10–18 mm, base cuneate-stipitate, apex mucronate, densely puberulent;

hypanthium persistent;

mesocarps leathery to dry (often splitting);

stones ellipsoid to subglobose, ± flattened.

black, subglobose, 7–12 mm, glabrous;

mesocarps fleshy;

stones ellipsoid, not flattened.

= 16 (Japan).