Dim sum various mixtures of flowers with green tea, black tea or oolong tea. Flowers used include jasmine, gardenia, magnolia, grapefruit flower, sweet-scented osmanthus and rose. There are strict rules about the proportion of flowers to tea. Jasmine tea is the most popular type of scented tea, and is often the most popular type of tea served at yum cha establishments. The above teas are produced in most of China. Chinese tea bushes ("Camellia sinensis") are cultivated in the mountain areas of tropical and subtropical regions or wherever there is a proper climate, sufficient humidity, adequate sunshine and fertile soil. Chinese tea
Gleditsia sinensis Gleditsia sinensis Gleditsia sinensis is a species of flowering plant native to Asia. In China, "Gleditsia sinensis" is commonly known as "zào jiá" (). The English equivalents include Chinese honey locust (or Chinese honeylocust), soap bean and soap pod. It is one of the alleged "50 fundamental herbs" used in traditional Chinese medicine. "Gleditsia sinensis" has been used in China for at least 2000 years as a detergent. The thorns of "Gleditsia sinensis" are used as a medicinal herb in China and Korea and may have antitumor properties. The thorns of "Gleditsia sinensis" LAM. (Leguminosae) have been used in traditional