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desert almond, desert peach

Habit Shrubs, suckering unknown, much branched, 10–20(–30) dm, thorny.
Twigs

with axillary end buds, usually glabrous, rarely puberulent.

Leaves

deciduous; ± sessile;

blade narrowly elliptic, obovate, oblanceolate, or spatulate, 1–3 × 0.2–0.6 cm, base long-attenuate, margins usually serrulate, sometimes obscurely, teeth blunt, inconspicuously glandular, apex usually acute, sometimes obtuse, surfaces usually glabrous, sometimes puberulent.

Inflorescences

solitary flowers or 2-flowered fascicles.

Pedicels

(1–)4–12 mm, glabrous.

Flowers

blooming at leaf emergence;

hypanthium campanulate, 3–4 mm, usually glabrous, rarely puberulent externally;

sepals spreading, triangular, 1.5–2.5 mm, margins sparsely glandular-toothed, ciliate, surfaces glabrate;

petals usually dark pink, sometimes nearly white, elliptic, obovate, or suborbiculate, (5–)8–11 mm;

ovaries hairy.

Drupes

greenish yellow to red-orange, globose to asymmetrically obovoid, compressed, 10–18 mm, base cuneate-stipitate, apex mucronate, densely puberulent;

hypanthium persistent;

mesocarps leathery to dry (often splitting);

stones ellipsoid to subglobose, ± flattened.

Prunus andersonii

Phenology Flowering Mar–May; fruiting Jun–Aug.
Habitat Dry rocky slopes, washes, canyons, sagebrush scrub, pinyon-juniper woodlands
Elevation 900–2600 m (3000–8500 ft)
Distribution
from FNA
CA; NV
[WildflowerSearch map]
[BONAP county map]
Discussion

Prunus andersonii inhabits the Great Basin Desert region of central and western Nevada, ranging westward into California to the eastern slopes of the Sierra Nevada from Modoc County south to Inyo County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 9, p. 373.
Parent taxa Rosaceae > subfam. Amygdaloideae > tribe Amygdaleae > Prunus
Sibling taxa
P. americana, P. angustifolia, P. armeniaca, P. avium, P. caroliniana, P. cerasifera, P. cerasus, P. domestica, P. dulcis, P. emarginata, P. eremophila, P. fasciculata, P. fremontii, P. geniculata, P. glandulosa, P. gracilis, P. havardii, P. hortulana, P. ilicifolia, P. laurocerasus, P. lusitanica, P. mahaleb, P. maritima, P. mexicana, P. minutiflora, P. murrayana, P. myrtifolia, P. nigra, P. padus, P. pensylvanica, P. persica, P. pumila, P. rivularis, P. serotina, P. speciosa, P. spinosa, P. subcordata, P. subhirtella, P. texana, P. tomentosa, P. umbellata, P. virginiana, P. yedoensis
Name authority A. Gray: Proc. Amer. Acad. Arts 7: 337. (1868)
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