The Japanese viburnum (Viburnum japonicum) belongs to Caprifoliaceae (the Honeysuckle family). It is a semi-tall evergreen tree that is distributed to the Kii Peninsula and Yamaguchi prefecture of Honshu, Kyushu, the Okinawa Islands and Taiwan. This tree grows in coastwise forests and can reach about 6 m in height. The leaves are broard obovate, leathery, glossy and opposite. The cymes are borne at the terminal stems and bloom small, white, many flowers from April to May. The timber is used as helves and a wood nail. The fruit ripen red in November to December and can be eaten.