Prunus armeniaca |
Prunus hortulana |
|
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albaricoque, apricot, damasco, Siberian apricot |
Hortulan or wild goose plum, Hortulan plum |
|
Habit | Trees, not suckering, 50–100 dm, not thorny. | Trees, rarely suckering, 40–100 dm, moderately thorny. |
Twigs | with axillary end buds, glabrous. |
with axillary end buds, glabrous. |
Leaves | deciduous; petiole (12–)20–45 mm, glabrous, glandular distally or on margins at bases of blades, glands 1–5; blade broadly ovate to suborbiculate, (3–)5–9 × (2–)4–8 cm, base usually obtuse to rounded, sometimes truncate or subcordate, margins singly to doubly crenate-serrate, teeth blunt, glandular, apex abruptly short-acuminate, abaxial surface with tufts of hairs in vein axils, adaxial glabrous. |
deciduous; petiole 6–20 mm, hairy on adaxial surface, usually glandular distally, glands 1–5; blade narrowly elliptic, lanceolate, oblanceolate, or oblong-obovate, (5–)7–11(–13) × (2–)3–5.5 cm, base obtuse to rounded, margins singly to doubly crenate-serrate, teeth blunt, glandular, glands inconspicuous, blackish, apex long-acuminate, abaxial surface ± hairy along midribs and veins, adaxial glabrous or with hairs along midribs. |
Inflorescences | solitary flowers. |
2–4-flowered, umbellate fascicles. |
Pedicels | 1–3 mm, hairy. |
8–20 mm, glabrous. |
Flowers | blooming before leaf emergence; hypanthium tubular-campanulate, 4–6 mm, glabrous or sparsely hairy externally; sepals reflexed, oblong-ovate, 4–6 mm, margins remotely glandular-toothed, surfaces sparsely hairy; petals white (pink in bud), broadly elliptic to suborbiculate, 8–12 mm; ovaries hairy. |
blooming before or at leaf emergence; hypanthium campanulate, 2–3 mm, glabrous externally; sepals erect to reflexed, ovate, 1.5–3 mm, margins glandular-toothed, abaxial surface glabrous or sparsely hairy, adaxial densely hairy at bases; petals white, obovate, 4–9 mm; ovaries glabrous. |
Drupes | yellow to orange, often tinged with red, ellipsoid to globose, laterally compressed, 25–60 mm, velutinous; mesocarps fleshy; stones ellipsoid to subglobose, strongly flattened, not pitted. |
red to yellowish with white dots, not or only slightly glaucous, globose, 20–30(–40) mm, glabrous; mesocarps fleshy; stones ovoid-ellipsoid, ± flattened. |
2n | = 16. |
= 16. |
Prunus armeniaca |
Prunus hortulana |
|
Phenology | Flowering Mar–Apr; fruiting May–Jul. | Flowering Apr–May; fruiting Aug–Sep. |
Habitat | Roadsides, abandoned plantings | Roadside thickets, flood plains, open woodlands |
Elevation | 20–1600 m (100–5200 ft) | 50–500 m (200–1600 ft) |
Distribution |
CA; CO; IA; ID; KS; MI; MO; MT; NM; OR; PA; UT; VA; WA; Asia (China) [Introduced in North America]
|
AR; IA; IL; IN; KS; KY; MA; MI; MO; NE; OH; OK; TN; VA; WV
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Discussion | Commercial production of apricots in North America is in the western United States, mostly in the San Joaquin Valley of California. There is little market for fresh apricots because of their extremely short shelf life; most fruits are preserved by drying. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 9, p. 375. | FNA vol. 9, p. 382. |
Parent taxa | Rosaceae > subfam. Amygdaloideae > tribe Amygdaleae > Prunus | Rosaceae > subfam. Amygdaloideae > tribe Amygdaleae > Prunus |
Sibling taxa | ||
Synonyms | Armeniaca vulgaris | P. hortulana var. mineri |
Name authority | Linnaeus: Sp. Pl. 1: 474. (1753) | L. H. Bailey: Gard. & Forest 5: 90. (1892) |
Web links |