Flora of North America species comparison

with axillary end buds, densely hairy to glabrate.

with terminal end buds, glabrous.

deciduous;

petiole 3–11 mm, usually densely hairy, rarely hairy only on adaxial surface, usually eglandular, sometimes glandular distally, glands 1–2, discoid;

blade elliptic, broadly elliptic, or obovate (orbiculate in gravesii clone), 3.5–7 × 2–4 cm, base cuneate to obtuse (rounded in gravesii clone), margins finely, usually singly, rarely doubly, serrulate, teeth sharp, usually eglandular, rarely glandular, apex acute to obtuse (rounded in gravesii clone), abaxial surface usually hairy, sometimes only on veins or glabrescent, adaxial rugose, glabrous.

deciduous;

petiole 1–6 mm, hairy on adaxial surface, eglandular;

blade narrowly elliptic to oblong-lanceolate, 2.5–9 × 0.9–2.5 cm, base cuneate to obtuse, margins crenulate-serrulate, teeth blunt, glandular, apex acute to acuminate, abaxial surface glabrous or slightly hairy along midribs and veins, adaxial glabrous.

2–4-flowered, umbellate fascicles.

solitary flowers or 2-flowered fascicles.

5–15 mm, hairy.

6–15 mm, glabrous or sparsely puberulent.

blooming before leaf emergence;

hypanthium campanulate, 2.5–3.5 mm, hairy externally;

sepals erect to spreading, ovate, 1.5–3.5 mm, margins entire, sometimes 2-fid at apices, ciliate, surfaces hairy;

petals white, oblong-obovate, 3–8 mm;

ovaries glabrous.

blooming at leaf emergence;

hypanthium campanulate, 2–3 mm, glabrous or sparsely puberulent externally;

sepals spreading to reflexed, ovate, 2.5–5 mm, margins glandular-toothed, ± ciliate, surfaces glabrous or sparsely puberulent;

petals 25+, white or pink, elliptic to narrowly elliptic, 8–11 mm;

ovaries glabrous.

red, yellow, dark blue, or purplish black, glaucous, globose, 11–18 mm, glabrous;

mesocarps fleshy;

stones ovoid, slightly flattened.

reddish, subglobose, 10–15 mm, glabrous;

mesocarps fleshy;

stones subglobose, not flattened.

= 16.