Flora of North America species comparison

with terminal end buds, glabrous.

with axillary end buds, usually hairy, sometimes glabrous.

deciduous;

petiole (14–)20–40 mm, nearly glabrous or sparsely hairy adaxially, glandular distally or on margins at bases of blades, glands 1–3, discoid;

blade oblong, elliptic-obovate, or obovate, (4–)7–14 × (2.5–)4–8.5 cm, base obtuse to rounded, margins doubly crenate-serrate, teeth blunt, glandular, apex abruptly short-acuminate, abaxial surface moderately hairy (especially midribs and veins), adaxial glabrous.

deciduous;

petiole 6–20 mm, glabrous or hairy on adaxial surface or both surfaces, eglandular or glandular distally or on margins at bases of blades, glands 1–3;

blade elliptic to obovate, (2.5–)4–7(–9) × 1.5–5 cm, base cuneate to obtuse, margins singly to doubly crenate-serrate, teeth blunt, glandular, apex usually acute to abruptly acuminate, sometimes obtuse, abaxial surface hairy (especially along veins), adaxial glabrous or midribs hairy.

1–3-flowered, umbellate fascicles.

solitary flowers or 2-flowered fascicles.

(14–)25–52 mm, glabrous.

(2–)10–20 mm, glabrous or hairy.

blooming at leaf emergence;

hypanthium tubular-urceolate, 5–7 mm, glabrous externally;

sepals reflexed, oblong, 4–6 mm, margins entire or sparsely and irregularly toothed, surfaces glabrous;

petals white, obovate to suborbiculate, 12–15 mm;

ovaries glabrous.

blooming before or at leaf emergence;

hypanthium cupulate, 3–5 mm, glabrous externally;

sepals spreading to reflexed, ovate-elliptic to lanceolate, 3.5–6 mm, margins glandular-toothed, ciliate, surfaces glabrous or hairy;

petals white, oblong to suborbiculate, 7–14 mm;

ovaries glabrous.

dark red to purplish black, globose, 13–30 mm, glabrous;

mesocarps fleshy;

stones subglobose, not flattened.

blue-black (green, yellow, or red in cultivars), ellipsoid to globose, 15–35 mm, glabrous;

mesocarps fleshy;

stones ovoid to ellipsoid, strongly flattened.

= 16.

= 48.