Flora of North America species comparison

with axillary end buds, glabrous.

with axillary end buds, densely hairy to glabrate.

deciduous;

petiole (12–)20–45 mm, glabrous, glandular distally or on margins at bases of blades, glands 1–5;

blade broadly ovate to suborbiculate, (3–)5–9 × (2–)4–8 cm, base usually obtuse to rounded, sometimes truncate or subcordate, margins singly to doubly crenate-serrate, teeth blunt, glandular, apex abruptly short-acuminate, abaxial surface with tufts of hairs in vein axils, adaxial 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.

solitary flowers.

2–4-flowered, umbellate fascicles.

1–3 mm, hairy.

5–15 mm, hairy.

blooming before leaf emergence;

hypanthium tubular-campanulate, 4–6 mm, glabrous or sparsely hairy externally;

sepals reflexed, oblong-ovate, 4–6 mm, margins remotely glandular-toothed, surfaces sparsely hairy;

petals white (pink in bud), broadly elliptic to suborbiculate, 8–12 mm;

ovaries hairy.

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.

yellow to orange, often tinged with red, ellipsoid to globose, laterally compressed, 25–60 mm, velutinous;

mesocarps fleshy;

stones ellipsoid to subglobose, strongly flattened, not pitted.

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

mesocarps fleshy;

stones ovoid, slightly flattened.

= 16.

= 16.