Cryptomeria japonica wani nau'in bishiya ne a cikin dangin cypress, ɗan asalin ƙasar Japan kuma akafi sani da itacen al'ul na Japan ko sugi. Kalmar "Cryptomeria" ta fito ne daga kalmomin Helenanci "kryptos" ma'ana boye da "meros" ma'ana sashi, yana nufin cewa sassan jikin bishiyar namiji da na mace suna ɓoye a cikin mazugi daban-daban.
