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'''''Thuja koraiensis''''' is a species of ''[[Thuja]]'', native to [[Korea]] and the extreme northeast of [[China]] ([[Changbai Mountains|Changbaishan]]). Its current status is poorly known; the small population in China is protected in the Changbaishan Nature Reserve, as is the small population in [[Soraksan Nature Reserve]] in northern [[South Korea]], but most of the species' range in [[North Korea]] is unprotected and threatened by [[habitat loss]].<ref>Conifer Specialist Group 1998. [http://www.iucnredlist.org/search/details.php/31245/all ''Thuja koraiensis'']. Downloaded on 10 July 2007.</ref><ref name=farjon>Farjon, A. (2005). ''Monograph of Cupressaceae and Sciadopitys''. Royal Botanic Gardens, Kew. ISBN 1-84246-068-4</ref> It is an [[evergreen]] [[shrub]] or small [[tree]] growing to 3-10 m tall. The foliage forms flat sprays with scale-like [[leaf|leaves]] 2-4 mm long (up to 15 mm long on strong-growing shoots), matt dark green above, and with broad, vivid white [[stoma]]tal wax bands below. The [[conifer cone|cones]] are oval, yellow-green ripening red-brown, 7-11 mm long and 4-5 mm broad (opening to 6-9 mm broad), with 8-12 overlapping scales.<ref name=farjon/> It is occasionally grown as an [[ornamental tree]] for the contrast between the green upper and bright white lower sides of the foliage, though planting is limited by the low availability of seeds. ==Cultivation== ===Propagation=== ===Pests and diseases=== ==Varieties== ==Gallery== <gallery perrow=5> Image:Upload.png| photo 1 Image:Upload.png| photo 2 Image:Upload.png| photo 3 </gallery> ==References== <references/> <!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 --> <!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 --> <!--- xxxxx *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608 --> ==External links== *{{wplink}} {{stub}} __NOTOC__
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