Flora of North America species comparison

with terminal end buds, glabrous.

with axillary end buds, tomentose.

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 1–4 mm, tomentose, eglandular;

blade elliptic to oblong-elliptic, 1.1–4 × 0.4–1.1 cm, base cuneate to obtuse, margins dentate, teeth blunt, glandular, glands discoid, apex acute, obtuse, or rounded, abaxial surface hairy to canescent, adaxial hairy.

usually solitary flowers, sometimes 2-flowered fascicles.

solitary flowers or 2-flowered fascicles.

0–3 mm, glabrous.

1–5 mm, tomentose.

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 or at leaf emergence;

hypanthium campanulate, 2 mm, tomentose externally;

sepals reflexed, triangular, 1–1.7 mm, margins glandular-toothed, surfaces tomentose;

petals white, elliptic, 3–5 mm;

ovaries hairy.

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

mesocarps fleshy;

stones ellipsoid, strongly flattened, deeply pitted, furrowed.

usually yellow to greenish yellow, sometimes tinged with red, ovoid, compressed, 8–15 mm, velutinous;

hypanthium tardily deciduous;

mesocarps fleshy;

stones ovoid, ± flattened.

= 16.