Tea, a camellia plant, is distributed in the mountainous areas of the provinces south of the Yangtze River in China. According to the production process, tea can be divided into six categories: green tea, white tea and black tea. Tea can be used as a beverage, which contains many beneficial ingredients and has health care function.

Tea is rectangular or oval, with blunt or sharp apex, wedge-shaped base, shiny top, hairless or initially hairy bottom, serrated edge and hairless petiole. The flowers are white, the petals are broadly ovoid, the sepals are broadly ovoid to round, and the flowering period is 10 to February of the following year.