Flora of North America species comparison

with terminal end buds, glabrous.

with axillary end buds, tomentose.

persistent;

petiole 5–8 mm, glabrous, eglandular;

blade narrowly elliptic to elliptic or oblanceolate, 5–10 × 1.5–4 cm, base cuneate to obtuse, margins entire or spinose-serrate, sometimes undulate, teeth sharp, eglandular, apex usually acute to short-acuminate, sometimes obtuse-apiculate, apicula acute, surfaces glabrous, abaxial glandular, glands 2, proximal, flat, circular to oval.

deciduous;

petiole 1–4 mm, tomentose, eglandular;

blade elliptic to oblong-elliptic, 1.1–4 × 0.4–1.1 cm, base cuneate to obtuse, margins dentate, teeth blunt, glandular, glands discoid, apex acute, obtuse, or rounded, abaxial surface hairy to canescent, adaxial hairy.

12–30-flowered, racemes;

central axes 13–30(–43) mm, leafless at bases.

solitary flowers or 2-flowered fascicles.

1–4 mm, glabrous.

1–5 mm, tomentose.

usually bisexual, proximal sometimes staminate, blooming before leaf emergence;

hypanthium cupulate, 2.5–3 mm, glabrous externally;

sepals spreading, semicircular, 0.5–1 mm, margins usually entire, sometimes glandular-toothed, surfaces glabrous;

petals white, suborbiculate to elliptic, 1–1.5 mm;

ovaries glabrous.

blooming before or at leaf emergence;

hypanthium campanulate, 2 mm, tomentose externally;

sepals reflexed, triangular, 1–1.7 mm, margins glandular-toothed, surfaces tomentose;

petals white, elliptic, 3–5 mm;

ovaries hairy.

black, ovoid, 9–12 mm, glabrous;

mesocarps leathery;

stones ovoid, not flattened, usually splitting open.

usually yellow to greenish yellow, sometimes tinged with red, ovoid, compressed, 8–15 mm, velutinous;

hypanthium tardily deciduous;

mesocarps fleshy;

stones ovoid, ± flattened.

= 32.