Wild cinnamon (Cinnamomum japonicum) belongs to the Lauraceae (the Laurel family). It is a tall evergreen tree that is distributed westward from Fukushima prefecture of Honshu to Shikoku, Kyushu and Okinawa, as well as the Jeju-do (southern Korea) and China. This tree grows in mountains and it can reach about 15-20 m in height. The leaves are oblong, leathery, glossy, alternate and have prominent 3 veins. The leaves have freshy fragrance and are used for medicine.