Prunus glandulosa

Thunberg in J. A. Murray

in J. A. Murray, Syst. Veg. ed. 14, 463. 1784.

Common names: Dwarf flowering almond
Introduced
Treatment appears in FNA Volume 9. Treatment on page 377. Mentioned on page 356, 360.
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Shrubs, suckering, 5–20 dm, not thorny. Twigs with terminal end buds, glabrous. Leaves 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. Pedicels 6–15 mm, glabrous or sparsely puberulent. Flowers 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 reddish, subglobose, 10–15 mm, glabrous; mesocarps fleshy; stones subglobose, not flattened.


Phenology: Flowering Mar–May.
Habitat: Roadsides, fencerows, abandoned plantings
Elevation: 0–400 m

Distribution

V9 625-distribution-map.jpg

Introduced; Ont., Iowa, Mich., N.C., e Asia (China), e Asia (Japan)

Discussion

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.

Selected References

None.

Lower Taxa

None.
... more about "Prunus glandulosa"
hairy +  and glabrous +
acute;acuminate +
Joseph R. Rohrer +
Thunberg in J. A. Murray +
dark gray +, gray-brown +, reddish-brown +  and reddish +
compound +  and simple +
opposite +  and alternate +
cuneate +  and obtuse +
2.5 cm25 mm <br />0.025 m <br /> (9 cm90 mm <br />0.09 m <br />) +
narrowly elliptic +  and oblong-lanceolate +
0.5 cm5 mm <br />0.005 m <br /> (18 cm180 mm <br />0.18 m <br />) +
membranous +  and leathery +
0.9 cm9 mm <br />0.009 m <br /> (?) +  and 2.5 cm25 mm <br />0.025 m <br /> (?) +
free +  and distinct +
Dwarf flowering almond +
solitary +, fascicles +, 2-flowered +  and umbellate +
Ont. +, Iowa +, Mich. +, N.C. +, e Asia (China) +  and e Asia (Japan) +
not +  and aggregated +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
subglobose +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0–400 m +
flattened +
hairy +  and glabrous +
0.4 cm4 mm <br />0.004 m <br /> (4 cm40 mm <br />0.04 m <br />) +
unisexual +  and bisexual +
not +  and aggregated +
not +  and aggregated +
not +  and aggregated +
Roadsides, fencerows, abandoned plantings +
persistent +  and deciduous +
puberulent +  and glabrous +
campanulate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1-64(-90)[-100]-flowered +
crassinucellate +
deciduous +
crenulate-serrulate +
glandular-toothed +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and apical +
puberulent +  and glabrous +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
elliptic +  and narrowly elliptic +
0 (?) +  and 4 (?) +
pink +  and white +
free +  and distinct +
rhombic;oblanceolate;rhombic;oblanceolate;ovate;oblong;usually suborbiculate;elliptic or obovate +
0.8 cm8 mm <br />0.008 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering Mar–May. +
adnate +, free +, connate +  and distinct +
in J. A. Murray, Syst. Veg. ed. +
not arillate +
free +  and distinct +
spreading +  and reflexed +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Introduced +
free +  and distinct +
branched +  and simple +
1 +  and 20 +
linear;lanceolate +
not flattened +  and subglobose +
deciduous +
distinct +
basal +, lateral +, subterminal +  and terminal +
not elongate +
puberulent +  and glabrous +
Amygdalus +, Armeniaca +, Cerasus +, Lauro-cerasus +, Padus +  and Persica +
Prunus glandulosa +
species +
inconspicuous +
shrub +  and suckering +
hairy +  and glabrous +