Northeastern Asian Flora
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Thuja koraiensis Nakai  
Family: Cupressaceae
[Thuja kongoensis Doi ex Nakai]
Thuja koraiensis image
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  • Description #1
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<Korea Flora>

Evergreen small shrub or tree up to 10-20m, root sprounting, bark gray reddish; branchlets horizontally flattened, thickish, 1.5-2.5 mm. wide; leaves deep green, scalelike, deltoid, obtuse; pollen cones obovoid, yellow, seed cone ovoid, the scales 8, 3 mm long, Cone broadly elliptic  seeds 5-10 on each scale, oblanceolate, 6 mm. long, wing present
Pollination May
Seed maturity Sept
Distribution Hamkyongbuk-do to Ganwondo, endemic to the Korean peninsula 

Taxonomic notes: The current populations are believed to have been rapidly reduced by the human disturbance.  The past records about the population of Mt. Keumgang-san of Kangwon-do (North Korea) were repoted by E. H. Wilson's survey in 1917 and 1918.

Thuja koraiensis
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Chin Sung Chang
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Thuja koraiensis image
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Thuja koraiensis image
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Thuja koraiensis image
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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