Flora of North America species comparison

with terminal end buds, glabrous.

with terminal end buds, glabrous.

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.

persistent;

petiole 5–15 mm, glabrous, eglandular;

blade elliptic to obovate, 6–18 × 3–7 cm, base cuneate to obtuse, margins remotely serrulate or nearly entire, teeth blunt, glandular, apex abruptly short-acuminate, apicula acute, surfaces glabrous, abaxial glandular, glands 1–several, proximal, flat, circular to oval.

usually solitary flowers, sometimes 2-flowered fascicles.

26–32-flowered, racemes;

central axes (35–)55–130 mm, leafless at bases.

0–3 mm, glabrous.

1–5 mm, 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 before leaf emergence;

hypanthium cupulate, 3–4 mm, glabrous externally;

sepals spreading, triangular, 0.7–1.2 mm, margins usually entire, sometimes with deciduous glands, ciliate in spots, surfaces glabrous or hairy;

petals white, obovate or broadly elliptic to suborbiculate, 3–5 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.

deep purple-red to nearly black, ovoid to conic-ovoid, 13–17 mm, glabrous;

mesocarps fleshy to leathery;

stones ovoid, not flattened.

= 16.