Green tea Green tea Green tea is a type of tea that is made from "Camellia sinensis" leaves that have not undergone the same withering and oxidation process used to make oolong teas and black teas. Green tea originated in China, but its production and manufacture has spread to many other countries in Asia. Several varieties of green tea exist, which differ substantially based on the variety of "C. sinensis" used, growing conditions, horticultural methods, production processing, and time of harvest. Although there has been considerable research on the possible health effects of consuming green tea regularly, there is little evidence that
Camellia japonica a long time. One of the most important plants related to "Camellia japonica" is the "Camellia sinensis", which is the plant tea comes from. This plant is not usually grown in gardens because it has small white flowers, unlike the "Camellia japonica", which has larger, more beautiful flowers. It is not seen in art as often as the "Camellia japonica", but it is shown in a painting called the "Song Hundred Flowers" which hangs in the Palace Museum in Beijing. "Camellia sinensis" may have been used as medicine during the Shang Dynasty. It was first used for drinking during the