Prunus fasciculata |
Prunus eremophila |
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desert almond, desert peach, wild almond |
desert plum, Mojave desert plum |
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Habit | Shrubs, suckering, much branched, 10–20(–30) dm, thorny. | Shrubs, suckering unknown, much branched, 10–25 dm, weakly thorny. | ||||
Twigs | with axillary end buds, glabrous or canescent. |
with axillary end buds, canescent. |
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Leaves | 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). |
deciduous; petiole 0.5–3(–5) mm, hairy, eglandular; blade ovate, obovate, or spatulate, 0.5–2(–3) × 0.2–1(–2) cm, base cuneate to obtuse, margins irregularly serrate, teeth usually sharp, eglandular, sometimes blunt, obscurely glandular, apex obtuse to rounded, often mucronate, surfaces hairy. |
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Inflorescences | solitary flowers or 2-flowered fascicles. |
solitary flowers or 2-flowered fascicles. |
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Pedicels | 0–4 mm, glabrous. |
0–3 mm, puberulent. |
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Flowers | 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. |
unisexual, plants dioecious, blooming at leaf emergence; hypanthium campanulate, 2–4 mm, hairy externally; sepals erect, triangular, 1–2 mm, margins entire, sparsely ciliate, abaxial surface densely hairy, adaxial glabrous or slightly hairy; petals white, elliptic, rhombic, ovate, or suborbiculate, 2.5–6 mm, abaxial surfaces hairy; ovaries hairy. |
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Drupes | gray to red-brown, ovoid, ± compressed, 7–15 mm, densely puberulent; hypanthium tardily deciduous; mesocarps leathery to dry; stones ovoid, ± flattened. |
yellowish orange, obovoid to ovoid, 9–16 mm, velutinous; mesocarps leathery to dry; stones subglobose to ovoid, slightly flattened. |
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Prunus fasciculata |
Prunus eremophila |
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Phenology | Flowering Mar–Apr; fruiting May–Jun. | |||||
Habitat | Desert washes, rocky slopes | |||||
Elevation | 900–1200 m (3000–3900 ft) | |||||
Distribution |
AZ; CA; NV; UT; nw Mexico
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CA |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Prunus eremophila is endemic to the southern Mojave Desert and has so far been collected only from the East Mojave Natural Preserve in eastern San Bernardino County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 9, p. 370. | FNA vol. 9, p. 371. | ||||
Parent taxa | Rosaceae > subfam. Amygdaloideae > tribe Amygdaleae > Prunus | Rosaceae > subfam. Amygdaloideae > tribe Amygdaleae > Prunus | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Emplectocladus fasciculatus | |||||
Name authority | (Torrey) A. Gray: Proc. Amer. Acad. Arts 10: 70. (1874) | Prigge: Madroño 49: 285, figs. 1, 2. (2003) | ||||
Web links |