Flora of North America species comparison

with axillary end buds, glabrous.

with terminal end buds, glabrous.

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.

persistent;

petiole 3–25 mm, glabrous, eglandular;

blade oblong-ovate to ovate-lanceolate or ovate to suborbiculate, 1.6–12 × 1.2–5(–7) cm, base usually broadly rounded to subcordate, sometimes obtuse, margins spinose-dentate to spinose-serrulate or entire, sometimes undulate, teeth sharp, callus-tipped, sometimes glandular at leaf base, apex acute to acuminate, surfaces glabrous, abaxial eglandular, if glands present, restricted to margins.

usually solitary flowers, sometimes 2-flowered fascicles.

15–40-flowered, racemes;

central axes 30–80 mm, leafless at bases.

(4–)10–18 mm, glabrous.

1–5 mm, glabrous.

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 leaf emergence;

hypanthium cupulate, 2–3 mm, glabrous externally;

sepals erect to spreading, triangular, 0.7–1.2 mm, margins entire, surfaces usually glabrous, rarely with scattered hairs;

petals white to yellowish, elliptic, obovate, or suborbiculate, 1–3 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.

dark red to purple or blue-black, obovoid or ellipsoid to globose, 12–25 mm, glabrous;

mesocarps leathery;

stones subglobose to ellipsoid, ± flattened.

= 16.