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desert almond, desert peach

dwarf flowering almond, flowering almond

Habit Shrubs, suckering unknown, much branched, 10–20(–30) dm, thorny. Shrubs, suckering, 5–20 dm, not thorny.
Twigs

with axillary end buds, usually glabrous, rarely puberulent.

with terminal end buds, glabrous.

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.

deciduous;

petiole 1–6 mm, hairy on adaxial surface, eglandular;

blade narrowly elliptic to oblong-lanceolate, 2.5–9 × 0.9–2.5 cm, base cuneate to obtuse, margins crenulate-serrulate, teeth blunt, glandular, apex acute to acuminate, abaxial surface glabrous or slightly hairy along midribs and veins, adaxial glabrous.

Inflorescences

solitary flowers or 2-flowered fascicles.

solitary flowers or 2-flowered fascicles.

Pedicels

(1–)4–12 mm, glabrous.

6–15 mm, glabrous or sparsely puberulent.

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.

blooming at leaf emergence;

hypanthium campanulate, 2–3 mm, glabrous or sparsely puberulent externally;

sepals spreading to reflexed, ovate, 2.5–5 mm, margins glandular-toothed, ± ciliate, surfaces glabrous or sparsely puberulent;

petals 25+, white or pink, elliptic to narrowly elliptic, 8–11 mm;

ovaries glabrous.

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.

reddish, subglobose, 10–15 mm, glabrous;

mesocarps fleshy;

stones subglobose, not flattened.

Prunus andersonii

Prunus glandulosa

Phenology Flowering Mar–May; fruiting Jun–Aug. Flowering Mar–May.
Habitat Dry rocky slopes, washes, canyons, sagebrush scrub, pinyon-juniper woodlands Roadsides, fencerows, abandoned plantings
Elevation 900–2600 m (3000–8500 ft) 0–400 m (0–1300 ft)
Distribution
from FNA
CA; NV
[WildflowerSearch map]
[BONAP county map]
from FNA
IA; MI; NC; ON; e Asia (China, Japan) [Introduced in North America]
[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.)

Double-flowered cultivars of Prunus glandulosa, which lack stamens and carpels, are commonly planted as foundation shrubs and in borders. Although the plants are attractive in bloom, some horticulturalists consider them of little ornamental value otherwise.

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

Source FNA vol. 9, p. 373. FNA vol. 9, p. 377.
Parent taxa Rosaceae > subfam. Amygdaloideae > tribe Amygdaleae > Prunus 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
P. americana, P. andersonii, 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. 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) Thunberg: in J. A. Murray, Syst. Veg. ed. 14, 463. (1784)
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