Vaccinium pallidum Aiton

Blue ridge blueberry (en)

Species

Angiosperms > Ericales > Ericaceae > Vaccinium

Characteristics

Colonial shrubs 2–8(–10) dm; bud-scales rounded above; lvs ovate to broadly elliptic, entire or seldom serrulate, the larger ones mostly (2.5–)3–5 cm, half as wide, glaucous beneath, sometimes also somewhat hairy; cal and pedicel glaucous; cor cylindric to urceolate, 4–8 mm; fr 5–8 mm, blue-glaucous or rarely black; 2n=24, or seldom 48. Dry upland woods and old fields; Me. to Minn., s. to Ga., Ala., Ark., and e. Okla. Apr.–June. (V. altomontanum; V. vacillans; Cyanococcus liparis; C. subcordatus; C. v.) Morphologically intermediate between nos. 11 [Vaccinium angustifolium Aiton] and 13 [Vaccinium myrtilloides Michx.], but apparently distinctive.
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Plants forming small to extensive, open colonies, 0.8-10 dm; twigs green, glaucous, or yellow, ± angled, hairy in lines, often glabrous. Leaves deciduous; blade pale green or glaucous abaxially, dark green adaxially, ovate to broadly elliptic, 25-38 × 13-22 mm, membranous to subcoriaceous, margins ± entire, abaxial surface usually glabrous, rarely hairy, eglandular. Flowers: calyx green, glaucous, glabrous; corolla greenish white with pink striping, cylindro-urceolate, 4-10 mm; filaments ± glabrous. Berries usually blue, glaucous, 4-8 mm diam., glabrous. Seeds 5-20, ca. 1 mm. 2n = 24, 48.
A shrub. It loses its leaves. It grows 10-70 cm high. The stems are twiggy and angular. They can be green or yellow. The leaves are oval and 3-4 cm long by 1-2 cm wide. They can have teeth along the edge. The leaves can be pale green or dark blue-green. The flowers are greenish-white with pink stripes. The fruit are blue berries. They are edible.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 1.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Woods, thickets and clearings in dryish situations. Dry, open oak or oak-hickory woods, open pine woods, ledges, abandoned farmland or cut-over deciduous forests; at elevations from sea level to 1,600 metres.
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It is a temperate plant. It is drought tolerant. It can grow in full sun or light shade.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses gene source medicinal wood
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

It can be grown by seed of from cuttings.
Mode cuttings seedlings
Germination duration (days) 365
Germination temperacture (C°) 18 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Vaccinium pallidum habit picture by Brad Kelley (cc-by-sa)

Leaf

Vaccinium pallidum leaf picture by Matthew Dyer (cc-by-sa)
Vaccinium pallidum leaf picture by Bill McKnight (cc-by-sa)
Vaccinium pallidum leaf picture by D W (cc-by-sa)

Fruit

Vaccinium pallidum fruit picture by Jun-tsui Fan (cc-by-sa)
Vaccinium pallidum fruit picture by Jennifer Summey (cc-by-sa)

Distribution

Vaccinium pallidum world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:317268-2
WFO ID wfo-0001047104
COL ID 7F6XV
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Vaccinium pallidum