Prunus alleghaniensis Porter

Allegheny plum (en)

Species

Angiosperms > Rosales > Rosaceae > Prunus

Characteristics

Straggling, often thorny, colonial shrub or low tree to 4 m; lvs scarcely out of the bud at anthesis, at maturity lanceolate to oblong, 5–8 cm, gradually acute or acuminate above, acute to obtuse at base, glabrescent, sharply serrate, the teeth triangular, acuminate, 0.5–1 mm on the distal side, pedicels 5–10 mm, glabrous; hypanthium minutely puberulent or nearly glabrous; sep oblong-ovate, 2 mm, pubescent on both sides but the back often only inconspicuously so; pet white, 6–8 mm; fr dark purple, subglobose, 12 mm thick; stone turgid. Dry, rocky woods, sometimes on shale-barrens; Pa. and w. Md. to W.Va., with outlying stations to Conn., w. Va., and e. Tenn. Rare. Apr., May; before the lvs.
More
A shrub or small tree. It often forms thickets. It has many upright branches. It grows 6 m high. The trunk is 15 cm across. The leaves are 5-9 cm long by 2-3 cm wide. They are narrow oval or sword shaped. There are 2 dot like glands at the base. There are fine sharp teeth along the edge. The leaves are covered with soft hairs when young. They are dark green above and paler underneath. The flowers are 12 mm wide with 5 rounded petals. They are white but turn pink. The flowers occur as 2-4 together on slender stalks. The fruit is a plum 10-12 mm across. It is reddish purple with a whitish bloom. They have a sour yellow pulp. There is a large stone.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.15
Mature height (meter) 3.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Temperate. It grows in moist soils and dry rocky mountain slopes. It grows between 400-610 m altitude in SE regions of the USA.
Light 6-9
Soil humidity 4-7
Soil texture 2-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-8

Usage

The fruit can be used in preserves or jelly. They are also used in pies or preserves.
Uses dye medicinal wood
Edible fruits seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 120 - 365
Germination temperacture (C°) 18 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Prunus alleghaniensis unspecified picture

Distribution

Prunus alleghaniensis world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:30213660-2
WFO ID wfo-0001005169
COL ID 4N8N7
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Prunus alleghaniensis Prunus alleghaniensis var. alleghaniensis