Prunus pumila var. susquehanae

(Willdenow) H. Jaeger

Ziergeh. Gärt. Parkanl., 400. 1865.

Common names: Appalachian or Susquehanna sandcherry cerisier de la Susquehanna
Endemic
Basionym: Prunus susquehanae Willdenow Enum. Pl., 519. 1809
Synonyms: P. cuneata Rafinesque P. pumila var. cuneata (Rafinesque) L. H. Bailey P. pumila subsp. susquehanae (Willdenow) R. T. Clausen
Treatment appears in FNA Volume 9. Treatment on page 375. Mentioned on page 373, 374.
Revision as of 13:20, 30 July 2020 by imported>Volume Importer
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Stems usually erect-ascending, sometimes decumbent, 3–10 (–20) dm; twigs densely puberulent (10× magnification). Leaf-blades elliptic, broadly elliptic, or obovate, 3–5.8 (–7.2) × 1.1–2.5 (–3) cm, lengths ca. 2.6 times widths, base obtuse to cuneate, apex usually obtuse, sometimes acute or rounded. Drupes subglobose, 8–12 × 5–10 mm; stones subglobose to ovoid, 6–8 × 5–6 mm. 2n = 16.


Phenology: Flowering Apr–Jun; fruiting Jul–Aug.
Habitat: Sandy pine-oak woods or barrens with open canopy, or adjacent fields and lakeshores
Elevation: 30–500 m

Distribution

V9 620-distribution-map.jpg

Man., Ont., Que., Ark., Conn., Del., Ind., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Tenn., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

rounded;acute;obtuse +
Joseph R. Rohrer +
(Willdenow) H. Jaeger +
dark gray +, gray-brown +, reddish-brown +  and reddish +
compound +  and simple +
opposite +  and alternate +
obtuse +  and cuneate +
Prunus susquehanae +
2.5 cm25 mm <br />0.025 m <br /> (8 cm80 mm <br />0.08 m <br />) +
obovate +, oblanceolate +  and elliptic +
0.5 cm5 mm <br />0.005 m <br /> (18 cm180 mm <br />0.18 m <br />) +
membranous +  and leathery +
0.8 cm8 mm <br />0.008 m <br /> (?) +  and 3 cm30 mm <br />0.03 m <br /> (?) +
free +  and distinct +
Appalachian or Susquehanna sandcherry +  and cerisier de la Susquehanna +
solitary +, fascicles +, 2-flowered +  and umbellate +
Man. +, Ont. +, Que. +, Ark. +, Conn. +, Del. +, Ind. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
not +  and aggregated +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
dark purple +  and nearly black +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
subglobose +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
30–500 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 +
Sandy pine-oak woods or barrens with open canopy, or adjacent fields and lakeshores +
persistent +  and deciduous +
campanulate +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
umbellate +  and 2-5-flowered +
crassinucellate +
5.8 cm58 mm <br />0.058 m <br /> (7.2 cm72 mm <br />0.072 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
3 cm30 mm <br />0.03 m <br /> (5.8 cm58 mm <br />0.058 m <br />) +
obovate;elliptic;obovate;elliptic +
1.1cm;2.5cm +
deciduous +
glandular-toothed +
crenulate-serrulate to serrate +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and apical +
0.3 cm3 mm <br />0.003 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
0 (?) +  and 4 (?) +
free +  and distinct +
suborbiculate;oblong;suborbiculate;oblong;oblanceolate +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
hairy +  and glabrous +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering Apr–Jun +  and fruiting Jul–Aug. +
adnate +, free +, connate +  and distinct +
Ziergeh. Gärt. Parkanl., +
not arillate +
free +  and distinct +
erect +  and reflexed +
obovate +, lanceolate +, ovate-elliptic +, oblong +, ovate +, semicircular +  and triangular +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
free +  and distinct +
branched +  and simple +
erect-ascending +
1 +  and 20 +
linear;lanceolate +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
subglobose +  and ovoid +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
deciduous +
distinct +
basal +, lateral +, subterminal +  and terminal +
not elongate +
P. cuneata +, P. pumila var. cuneata +  and P. pumila subsp. susquehanae +
Prunus pumila var. susquehanae +
Prunus pumila +
variety +
callus-tipped +
blunt +  and sharp +
inconspicuous +
puberulent +
shrub +  and suckering +
hairy +  and glabrous +