Cinnabar Orange: evergreen shrub or small tree. Leaves elliptic, pointed at both ends. Fruit oblate, vermilion; It tastes sweet and edible. It is produced in Southeast China and a large number of potted plants in Guangdong. Cinnabar orange is an important variety of Chinese traditional citrus. Its fruit is larger than kumquat and its color is orange red, which has better ornamental effect. On New Year's day and Spring Festival, it is arranged indoors and in the lobby, which is very popular.