Prunus eremophila

Prigge

Madroño 49: 285, figs. 1, 2. 2003.

Conservation concernEndemicIllustrated
Treatment appears in FNA Volume 9. Treatment on page 371. Mentioned on page 356, 359.

Shrubs, suckering unknown, much branched, 10–25 dm, weakly thorny. Twigs with axillary end buds, canescent. Leaves 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. Inflorescences solitary flowers or 2-flowered fascicles. Pedicels 0–3 mm, puberulent. Flowers 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. Drupes yellowish orange, obovoid to ovoid, 9–16 mm, velutinous; mesocarps leathery to dry; stones subglobose to ovoid, slightly flattened.


Phenology: Flowering Mar–Apr; fruiting May–Jun.
Habitat: Desert washes, rocky slopes
Elevation: 900–1200 m

Discussion

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.

Selected References

None.

Lower Taxa

None.
... more about "Prunus eremophila"
hairy +  and glabrous +
Joseph R. Rohrer +
Prigge +
dark gray +, gray-brown +, reddish-brown +  and reddish +
compound +  and simple +
opposite +  and alternate +
cuneate +  and obtuse +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
spatulate +, obovate +  and ovate +
0.5 cm5 mm <br />0.005 m <br /> (18 cm180 mm <br />0.18 m <br />) +
? (?) +  and ? (?) +
0.2cm +  and 1cm +
free +  and distinct +
solitary +, fascicles +, 2-flowered +  and umbellate +
not +  and aggregated +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
yellowish orange +
obovoid +  and ovoid +
0.9 cm9 mm <br />0.009 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
900–1200 m +
flattened +
hairy +  and glabrous +
0.4 cm4 mm <br />0.004 m <br /> (4 cm40 mm <br />0.04 m <br />) +
at leaf emergence +  and blooming +
not +  and aggregated +
not +  and aggregated +
not +  and aggregated +
Desert washes, rocky slopes +
persistent +  and deciduous +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
1-64(-90)[-100]-flowered +
crassinucellate +
deciduous +
entire +  and serrate +
undulate +, toothed +, entire +, flat +  and lobed +
leathery +  and dry +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and apical +
0 cm0 mm <br />0 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0 (?) +  and 4 (?) +
free +  and distinct +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering Mar–Apr +  and fruiting May–Jun. +
adnate +, free +, connate +  and distinct +
not arillate +
free +  and distinct +
triangular +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Conservation concern +, Endemic +  and Illustrated +
free +  and distinct +
branched +  and simple +
1 +  and 20 +
flattened +, subglobose +  and ovoid +
deciduous +
distinct +
basal +, lateral +, subterminal +  and terminal +
not elongate +
Amygdalus +, Armeniaca +, Cerasus +, Lauro-cerasus +, Padus +  and Persica +
Prunus eremophila +
species +
blunt +  and sharp +
inconspicuous +
thorny +  and branched +
plant +, shrub +  and suckering +
hairy +  and glabrous +