Flora of North America species comparison

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Prunus fremontii

desert apricot
Habit Shrubs, suckering unknown, much branched, 10–40 dm, thorny.
Twigs

with axillary end buds, glabrous.
Leaves

deciduous;

petiole 1–7 mm, glabrous, eglandular;

blade elliptic, ovate, or suborbiculate, 0.6–3 × 0.5–2 cm, base obtuse to rounded, subcordate, or truncate, margins obscurely crenulate, crenulate-serrulate, or serrate, teeth blunt, glandular, apex usually obtuse to rounded, sometimes emarginate, surfaces glabrous.
Inflorescences

1–3-flowered, umbellate fascicles.
Pedicels

2–12 mm, glabrous.
Flowers

blooming at leaf emergence;

hypanthium campanulate, 2–4 mm, glabrous externally;

sepals erect-spreading, semicircular to ovate, 1.2–4 mm, margins glandular-toothed, ciliate, abaxial surface glabrous, adaxial hairy;

petals usually white, sometimes pinkish rose, elliptic, obovate, or suborbiculate, 3–10 mm;

ovaries hairy.
Drupes

yellowish, ellipsoid-ovoid, 8–15 mm, densely puberulent;

mesocarps leathery to dry (splitting);

stones ovoid, ± flattened.

Prunus fremontii
Phenology Flowering Jan–Mar; fruiting Apr–Jun.
Habitat Dry, sandy or rocky slopes, canyons, desert, chaparral, pinyon-juniper woodlands
Elevation 200–1500 m (700–4900 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
Discussion

Prunus fremontii is known only from the western edge of the Sonoran Desert.

(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. andersonii, P. angustifolia, P. armeniaca, P. avium, P. caroliniana, P. cerasifera, P. cerasus, P. domestica, P. dulcis, P. emarginata, P. eremophila, P. fasciculata, 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
Synonyms P. eriogyna
Name authority S. Watson: in W. H. Brewer et al., Bot. California 2: 442. (1880)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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