A form of compressed tea referred to as white tea was being produced as far back. This special white tea of Tang was picked in early spring, when the tea bushes had abundant growths which resembled silver needles. These "first flushes" were used as the raw material to make the compressed tea. Tea is an important item in Chinese culture and is mentioned. Seven necessities of (Chinese) daily life.
Tea was also used as a relaxing therapy for the Chinese. In 1753, Linnaeus described the plant as a single species, Thea sinensis. Later, however, he recognized two species, Thea Bohea and Thea viridis, as cultivated in China, and it was long thought that these were the origin of black and green tea respectively. Chin-Nung, a celebrated scholar and philosopher, who existed long before Confucius, is claimed to have said of it: "Tea is better than wine, for it leadeth not to intoxication, neither does it cause a man to say foolish things and repent thereof in his sober moments.