Flora of North America species comparison

with terminal end buds, glabrous.

with terminal end buds, densely puberulent.

deciduous;

petiole 5–10(–15) mm, not winged, glabrous, sometimes glandular distally, glands 1–4, discoid;

blade oblong to lanceolate, folded along midribs, often falcate, (5–)7–15 × 2–4.5 cm, base cuneate to obtuse, margins crenulate-serrulate, teeth blunt, glandular, apex acuminate, surfaces glabrous.

deciduous;

petiole 4–20 mm, glabrous or ± puberulent on adaxial surface, sometimes glandular distally, glands 1–2, discoid;

blade broadly ovate, oblong, or suborbiculate, 1.9–4.5 × 1.2–3.4 cm, base usually rounded to truncate, sometimes subcordate, margins crenate, teeth blunt, glandular, apex abruptly acuminate, apicula obtuse, surfaces usually glabrous, sometimes midribs and veins hairy abaxially.

usually solitary flowers, sometimes 2-flowered fascicles.

4–10-flowered, corymbs;

central axes 8–40 mm.

0–3 mm, glabrous.

6–18 mm (subtended by leafy bracts), glabrous.

blooming before leaf emergence;

hypanthium cupulate, 4–5 mm, glabrous externally;

sepals spreading, oblong-ovate, 3.5–5 mm, margins entire, ciliate, abaxial surface hairy (especially along margins), adaxial glabrous;

petals dark pink, obovate to suborbiculate, 10–17 mm;

ovaries hairy.

blooming at leaf emergence;

hypanthium conic-campanulate, 2–3 mm, glabrous externally;

sepals reflexed, oblong, 1.3–2 mm, margins entire, surfaces glabrous;

petals white, elliptic to obovate, 6–7 mm;

ovaries glabrous.

yellow to orange tinged with red, globose, 40–80 mm, velutinous (glabrous in nectarines);

mesocarps fleshy;

stones ellipsoid, strongly flattened, deeply pitted, furrowed.

dark red to black, ovoid, 6–10 mm, glabrous;

mesocarps leathery;

stones ellipsoid to subglobose, ± flattened.

= 16.

= 16.