Prunus fremontii

S. Watson

in W. H. Brewer et al., Bot. California 2: 442. 1880.

Common names: Desert apricot
Synonyms: Prunus eriogyna S. C. Mason
Treatment appears in FNA Volume 9. Treatment on page 373. Mentioned on page 359.

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.


Phenology: Flowering Jan–Mar; fruiting Apr–Jun.
Habitat: Dry, sandy or rocky slopes, canyons, desert, chaparral, pinyon-juniper woodlands
Elevation: 200–1500 m

Distribution

V9 615-distribution-map.jpg

Calif., Mexico (Baja California).

Discussion

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

Selected References

None.

Lower Taxa

None.
... more about "Prunus fremontii"
Joseph R. Rohrer +
S. Watson +
Desert apricot +
Calif. +  and Mexico (Baja California). +
200–1500 m +
Dry, sandy or rocky slopes, canyons, desert, chaparral, pinyon-juniper woodlands +
Flowering Jan–Mar +  and fruiting Apr–Jun. +
in W. H. Brewer et al., Bot. California +
Prunus eriogyna +
Prunus fremontii +
species +