The Glossy privet (Ligustrum lucidum) belongs to Oleaceae (the Olive family). It is a tall evergreen tree that is native to China. This tree was introduced into Japan in the early Meiji Era (1868-1912). The leaves are ovate, opposite and defined by transparent veins. The panicles are borne on the terminal branches and bloom scented small white flowers from June to July. The fruits are elliptic and ripen in bluckish-purple. In China, this fruit is called "女貞子" (nu zhen zi) and has long been used as a cardiotonic, diuretic, laxative, and tonic. In Chinese, it is called "女貞" (nu zhen).
Photos 22nd-24th show the horticultural variety 'Tricolor'.