Vaccinium japonicum Miq.

Species

Angiosperms > Ericales > Ericaceae > Vaccinium

Characteristics

Shrubs deciduous, 0.4–2 m tall, many branched. Twigs flattened-angular, glabrous; bud scales inconspicuous. Leaves scattered; petiole 1–2 mm, glabrous or abaxially pubescent; leaf blade sometimes reddish when young, ovate or ovate-lanceolate, (1.5–)2–6 × 0.7–2 cm, papery, abaxially subglabrous or pubescent towards base of midvein, adaxially glabrous or rarely pubescent, secondary veins 2–4 pairs, ± ascending, raised abaxially, inconspicuous and impressed adaxially, fine veins raised abaxially, impressed adaxially, base broadly cuneate to subtruncate, margin plane, setose-serrulate, apex acute or acuminate for ca. 0.5 cm. Flowers solitary, axillary, pendulous, at base of young shoot. Pedicel 5–8 mm, slender, glabrous. Flowers 4-merous. Hypanthium glabrous; calyx limb divided nearly to base; calyx lobes triangular, 1–1.8 mm, apex abruptly acuminate. Corolla white or pinkish, glabrous, lobed nearly to base; lobes linear-lanceolate, 0.8–1 cm, margin revolute. Filaments 1–2 mm, often densely villous; anthers 6–7 mm, thecae without spurs; tubules ca. as long as thecae. Berry 4-loculed, red, ca. 5 mm in diam. Fl. Jun–Jul, fr. Aug–Oct.
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A shrub. It grows 60-90 cm tall. The branches are slender and well spaced. They are green and slender. It normally loses its leaves but may be evergreen in warm climates. The leaves are pale green and oval or sword shaped. They are 3-5 cm long and 1-3 cm wide. They are rounded at the base and pointed at the tips. There are small teeth along the edge. The leaves are bright green above and paler underneath. The flowers and fruit hang down under the branches. The flowers are 5-12 mm long. They are in the leaf axils of the previous year's growth. There are 4 petals and these curve back at the tip. The fruit are small, shiny red berries. They are 5-8 mm across.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.65 - 0.8
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. It does well in shade. It is native to Japan and Korea. In China it grows in alpine areas between 1,000-2,600 m above sea level. In Sichuan and Yunnan.
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Woods in mountains and hills all over Japan. Forests, thickets, alpine areas; at elevations from 1,000-2,600 metres, occasionally to 3,000 metres.
Light 4-9
Soil humidity 4-7
Soil texture 4-6
Soil acidity 1-4
Soil nutriment -
Hardiness (USDA) 6-8

Usage

Uses -
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Vaccinium japonicum unspecified picture

Distribution

Vaccinium japonicum world distribution map, present in China, Japan, Korea (Democratic People's Republic of), and Russian Federation

Identifiers

LSID urn:lsid:ipni.org:names:858977-1
WFO ID wfo-0001048558
COL ID 7F7B8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Vaccinium japonicum Hugeria japonica Oxycoccoides japonica Oxycoccus japonicus Vaccinium japonicum var. japonicum

Lower taxons

Vaccinium japonicum var. sinicum Vaccinium japonicum var. lasiostemon