Halin Thuja yana nufin rukuni na bishiyoyi ko shrubs a cikin dangin Cupressaceae. Kalmar "Thuja" ta samo asali ne daga kalmar Helenanci "thuo," ma'ana "to fumigate," kamar yadda aka taɓa amfani da ganyen waɗannan tsire-tsire a cikin maganin gargajiya don kayan ƙanshi. Halittar ta ƙunshi nau'ikan da yawa, kamar su Thoja na Balcasondiallis (kuma ana kiransu Gabas ta Tsakiya), Thuja Fikata (Yammacin Cedar), da Thoja Koraiensis (Korean Thuan), a tsakanin wasu. Ana amfani da waɗannan tsire-tsire don dalilai na ado a cikin gyaran shimfidar wuri kuma ana amfani da su a cikin magungunan gargajiya da kayan ƙanshi.