Flora of North America species comparison

with terminal end buds, glabrous.

with terminal end buds, densely hairy.

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 2–7 mm, hairy, eglandular;

blade obovate to oblong-elliptic, 3–6(–7.5) × 1.7–3.5(–4.7) cm, base obtuse to rounded, margins coarsely, singly to doubly serrate, teeth sharp, usually eglandular, sometimes glandular, glands dark, spheric, apex abruptly short-acuminate to acute, abaxial surface tomentose, adaxial rugose, hairy, sometimes sparsely so.

usually solitary flowers, sometimes 2-flowered fascicles.

usually solitary flowers, sometimes 2-flowered fascicles.

0–3 mm, glabrous.

0–5 mm, hairy.

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 tubular, 3.5–6 mm, glabrous or sparsely hairy (especially at bases) externally;

sepals spreading, ovate, 2.5–3.5 mm, margins serrate, sometimes glandular, abaxial surface hairy, adaxial glabrous;

petals white to pale pink (pink in bud), obovate or elliptic to suborbiculate, 9–13 mm;

ovaries glabrous proximally, villous distally.

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

mesocarps fleshy;

stones ellipsoid, strongly flattened, deeply pitted, furrowed.

red, globose, 8–15 mm, sparsely hairy;

mesocarps fleshy;

stones ellipsoid, not flattened.

= 16.

= 16.