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
Camellia number of "Lepidoptera" species; see List of Lepidoptera that feed on Camellia. Leaves of the Japanese camellia ("C. japonica") are susceptible to the fungal parasite "Mycelia sterile" (see below for the significance). "Camellia sinensis", the tea plant, is of major commercial importance because tea is made from its leaves. The species "C. sinensis" is the product of many generations of selective breeding in order to bring out qualities considered desirable for tea. However, many other camellias can be used to produce a similar beverage. For example, in some parts of Japan, tea made from "C. sasanqua" leaves is popular. Tea