The term "Royagaki" means Chinese persimmon in Japanese. It is a species of persimmon native to China, with the scientific name Diospyros rhombifolia. It belongs to the family Ebenaceae. Royagaki is a popular bonsai subject because of its attractive fruits and leaves. The fruits are pointed and green, turning red in autumn. The leaves are oval and glossy, turning red in winter. Royagaki is a dioecious plant, meaning it has separate male and female flowers. It requires pollination by insects or artificial means to produce fruits. Royagaki bonsai needs plenty of water, shade in summer, and protection from frost in winter.