Prunus hortulana |
Prunus fasciculata |
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Hortulan or wild goose plum, Hortulan plum |
desert almond, desert peach, wild almond |
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Habit | Trees, rarely suckering, 40–100 dm, moderately thorny. | Shrubs, suckering, much branched, 10–20(–30) dm, thorny. | ||||
Twigs | with axillary end buds, glabrous. |
with axillary end buds, glabrous or canescent. |
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Leaves | 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. |
deciduous; sessile; blade oblanceolate to linear, 0.5–2 × 0.1–0.2(–0.4) cm, base long-attenuate, margins nearly entire or obscurely and remotely serrulate in distal 1/3, teeth blunt to sharp, sometimes glandular, apex rounded to acute, surfaces puberulent or glabrous or low-papillate (var. punctata). |
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Inflorescences | 2–4-flowered, umbellate fascicles. |
solitary flowers or 2-flowered fascicles. |
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Pedicels | 8–20 mm, glabrous. |
0–4 mm, glabrous. |
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Flowers | 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. |
unisexual, plants dioecious, blooming at leaf emergence; hypanthium campanulate, 1.5–3 mm, glabrous externally; sepals erect-spreading, triangular, 0.7–1 mm, margins entire, surfaces glabrous; petals white to yellowish, elliptic, obovate, or suborbiculate, 1.4–2.5(–4) mm; ovaries hairy. |
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Drupes | red to yellowish with white dots, not or only slightly glaucous, globose, 20–30(–40) mm, glabrous; mesocarps fleshy; stones ovoid-ellipsoid, ± flattened. |
gray to red-brown, ovoid, ± compressed, 7–15 mm, densely puberulent; hypanthium tardily deciduous; mesocarps leathery to dry; stones ovoid, ± flattened. |
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2n | = 16. |
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Prunus hortulana |
Prunus fasciculata |
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Phenology | Flowering Apr–May; fruiting Aug–Sep. | |||||
Habitat | Roadside thickets, flood plains, open woodlands | |||||
Elevation | 50–500 m (200–1600 ft) | |||||
Distribution |
AR; IA; IL; IN; KS; KY; MA; MI; MO; NE; OH; OK; TN; VA; WV
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AZ; CA; NV; UT; nw Mexico
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 9, p. 382. | FNA vol. 9, p. 370. | ||||
Parent taxa | Rosaceae > subfam. Amygdaloideae > tribe Amygdaleae > Prunus | Rosaceae > subfam. Amygdaloideae > tribe Amygdaleae > Prunus | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | P. hortulana var. mineri | Emplectocladus fasciculatus | ||||
Name authority | L. H. Bailey: Gard. & Forest 5: 90. (1892) | (Torrey) A. Gray: Proc. Amer. Acad. Arts 10: 70. (1874) | ||||
Web links |