Thuja koraiensis Nakai

Korean arbor-vitae (en), Thuya de corée (fr), Thuya de Corée (fr)

Species

Gymnosperms > Cupressales > Cupressaceae > Thuja

Characteristics

Shrubs (when on mountain ridges), or small trees to 10 m tall; trunk to 80 cm d.b.h.; bark reddish brown and smooth when young, grayish brown and fissured when old, soon flaking; branches ascending or spreading; young branchlets ± glaucous, soon becoming green. Facial leaves 1-2 mm, to 15 mm on leading branchlets, abaxial gland near base, apex obtuse; lateral leaves as long as or shorter than facial leaves, apex incurved. Pollen cones purplish, subglobose, 2-3 mm; microsporophylls 6-10, each with 3 or 4 pollen sacs. Seed cones dark brown when ripe, ellipsoid-globose, 7-10 × 6-8 mm; basal pair of cone scales subellipsoid, middle pairs suboblong, apical pair long and narrow. Seeds ellipsoid, flattened, ca. 4 × 1.5 mm; wings 1-1.5 mm wide. Pollination May, seed maturity Sep.
Life form annual
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) 1.5
Mature height (meter) 6.25
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 -

Environment

Light 4-6
Soil humidity 2-7
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-10

Usage

Uses medicinal
Edible -
Therapeutic use Antipyretics (unspecified), Astringents (unspecified), Diuretics (unspecified), Dysmenorrhea (unspecified), Epistaxis (unspecified), Gonorrhea (unspecified), Metrorrhagia (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 14 - 60
Germination temperacture (C°) 12
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Thuja koraiensis unspecified picture

Distribution

Thuja koraiensis world distribution map, present in China and Korea (Democratic People's Republic of)

Conservation status

Thuja koraiensis threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:677200-1
WFO ID wfo-0000407778
COL ID 56NTJ
BDTFX ID 101324
INPN ID 611445
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Thuja koraiensis Thuja kongoensis