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.

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.

usually solitary flowers, sometimes 2-flowered fascicles.

solitary flowers or 2-flowered fascicles.

0–3 mm, glabrous.

6–15 mm, glabrous or sparsely puberulent.

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 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.

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

mesocarps fleshy;

stones ellipsoid, strongly flattened, deeply pitted, furrowed.

reddish, subglobose, 10–15 mm, glabrous;

mesocarps fleshy;

stones subglobose, not flattened.

= 16.