"Itabi-kazura" (Ficus nipponica) belongs to the family Moraceae (the Mulberry family). It is an evergreen woody vine that is native from Fukushima-Niigata Prefecture of Honshu south to Shikoku, Kyushu and the Korean Peninsula, Taiwan and China. This vine climbs up adjacent trees or cliffs by the aerial roots which borne at the stems. The leaves are oblong to lanceolate, and arraged in opposite. The flower bloated sacs which resemble to the Fig come in June and July. The fruits are utricles, ripen in fall to winter.