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Richiedono esposizione a medio-sole, terreno acido, sporadiche concimazioni organiche, non gradiscono interventi drastici di [[potatura]]
Si moltiplicano per [[talea]], [[margotta]] o con la [[semina]]
== Specie ==
[[Immagine:Thuja_occidentalis-01.jpg|thumb|200px|right|[[Thuja occidentalis]].]]
Il genere ''Thuja'' L. comprende le seguenti specie, vartietà e forme:
*''[[Thuja koraiensis]]'' Nakai 1919
*''[[Thuja occidentalis]]'' L. 1753
*''[[Thuja plicata]]'' Donn ex D. Don 1824
*''[[Thuja standishii]]'' (Gordon) Carrière 1867
*''[[Thuja sutchuenensis]]'' Franch. 1899
;Sinonimi:
*''Thuja acuta'' Moench 1794
*''Thuja andina'' Poepp. & Endl. 1841
*''Thuja aphylla'' L. 1755
*''Thuja articulata'' Vahl 1791
*''Thuja australis'' Bosc ex Poir. 1817
*''Thuja beverleyensis'' Hort. ex Rehder 1917
*''Thuja chengii'' Bordères'' & Gaussen 1939
*''Thuja chilensis'' D. Don 1832
*''Thuja craigana'' Grev. & Balf. in A. Murr. 1853
*''Thuja cristata'' Carrière
*''Thuja cupressoides'' L. 1767
*''Thuja decora'' Salisb. 1796
*''Thuja decurrens'' Voss 1907
*''Thuja dolabrata'' Thunb. ex L. f. 1781 [1782]
*''Thuja doniana'' Hook. 1842
*''Thuja ericoides'' Carrière
*''Thuja excelsa'' Bong. 1833
*''Thuja gigantea'' Nutt. 1834
**''Thuja gigantea'' var. ''japonica'' (Maxim.) Franch. & Sav. 1875
*''Thuja japonica'' Maxim. 1866
*''Thuja lineata'' Poir. 1817
*''Thuja lycopodioides'' Beissn. 1891
*''Thuja macrolepis'' (Kurz) Voss 1907
*''Thuja meldensis'' Quetier 1855
*''Thuja menziesii'' Douglas ex Endl. 1847
*''Thuja obtusa'' Moench 1794
*''Thuja obtusa'' (Siebold & Zucc.) Mast. 1881
**''Thuja occidentalis'' var. ''plicata'' (Don.) Loud
*''Thuja odorata'' Marshall 1785
*''Thuja orientalis'' L. 1753 (= ''Platycladus orientalis'' (L.) Franco)
**''Thuja orientalis'' var. ''argyi'' Lemée & H. Lév. 1915
***''Thuja orientalis'' fo. ''beverleyensis'' (Rehder) Rehder Bibliogr. Cult. 1949
**''Thuja orientalis'' var. ''beverleyensis'' Rehder 1940
**''Thuja orientalis'' var. ''falcata'' Lindl.
**''Thuja orientalis'' var. ''hondae'' Makino
**''Thuja orientalis'' var. ''nana'' C.K. Schneid. 1913
**''Thuja orientalis'' var. ''pendula'' (Endl.) Carrière
***''Thuja orientalis'' fo. ''semperaurescens'' (Gord.) C.K. Schneid. 1913
**''Thuja orientalis'' var. ''semperaurescens'' (Gord.) Nichols. 1889
***''Thuja orientalis'' fo. ''sieboldii'' (Endl.) Rehder 1949
**''Thuja orientalis'' var. ''sieboldii'' (Endl.) Laws. 1851
*''Thuja papuana'' (F. Muell.) Voss 1907
*''Thuja pendula'' Lamb.
*''Thuja pensilis'' Staunton ex D. Don 1828
*''Thuja pisifera'' (Siebold & Zucc.) Mast. 1891
*''Thuja procera'' Salisb. 1796
*''Thuja pyramidalis'' Tenore
*''Thuja quadrangularis'' Vent. 1806
*''Thuja sphaeroidalis'' Rich. & A. Rich. 1826
*''Thuja sphaeroidea'' Spreng. 1826
*''Thuja tetragona'' Hook. 1844
*''Thuja theophrasti'' C. Bauhin ex Nieuwl. 1912
*''Thuja wareana'' Carrière
;Vedi anche:
*''[[Platycladus orientalis]]'' (L.) Franco (syn. ''Thuja orientalis'')
== Voci correlate ==
*[[Giardinaggio]]
*[[Floricoltura]]
*[[Pianta ornamentale]]
*[[Specie botaniche in Italia]]
[[Categoria:Cupressaceae]]
[[Categoria:Piante ornamentali]]
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