Flora of North America species comparison

with axillary end buds, glabrous.

with axillary end buds, usually glabrous, sometimes hairy.

deciduous;

petiole 1–7 mm, glabrous, eglandular;

blade elliptic, ovate, or suborbiculate, 0.6–3 × 0.5–2 cm, base obtuse to rounded, subcordate, or truncate, margins obscurely crenulate, crenulate-serrulate, or serrate, teeth blunt, glandular, apex usually obtuse to rounded, sometimes emarginate, surfaces glabrous.

deciduous;

petiole 4–18 mm, hairy, rarely only adaxially, usually glandular distally, glands 1–2(–4);

blade usually elliptic, sometimes broadly elliptic, obovate, ovate, or oblong, 6–12 × 3–7 cm, base usually obtuse to broadly rounded, sometimes subcordate, margins coarsely, doubly serrate, teeth sharp, eglandular, apex usually abruptly acuminate to acuminate, rarely acute, abaxial surface densely hairy, adaxial rugose, glabrous or hairy.

1–3-flowered, umbellate fascicles.

2–5-flowered, umbellate fascicles.

2–12 mm, glabrous.

4–20 mm, usually glabrous, sometimes sparsely hairy.

blooming at leaf emergence;

hypanthium campanulate, 2–4 mm, glabrous externally;

sepals erect-spreading, semicircular to ovate, 1.2–4 mm, margins glandular-toothed, ciliate, abaxial surface glabrous, adaxial hairy;

petals usually white, sometimes pinkish rose, elliptic, obovate, or suborbiculate, 3–10 mm;

ovaries hairy.

blooming before leaf emergence;

hypanthium obconic, 2–4.5 mm, glabrous or hairy externally;

sepals reflexed, ovate to lanceolate, 1.5–4 mm, margins entire or irregularly or obscurely glandular-toothed, sometimes 2-fid at apices, ciliate, surfaces hairy;

petals white, sometimes turning pink, elliptic to obovate, 5–10 mm;

ovaries glabrous.

yellowish, ellipsoid-ovoid, 8–15 mm, densely puberulent;

mesocarps leathery to dry (splitting);

stones ovoid, ± flattened.

purplish red to dark blue, glaucous, subglobose to ellipsoid, 15–30 mm, glabrous;

mesocarps fleshy;

stones ovoid-ellipsoid, strongly flattened.