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
Tea culture to be confused with traditional Japanese green tea. Thai green tea tends to be very heavily commercialized and the taste is sweeter and easier to appreciate than bitter variations. Tea is cultivated extensively in the north of the country, making Vietnam one of the world's largest exporters. The word in the Vietnamese language is trà (pronounced cha/ja) or chè. It is served unsweetened and unaccompanied by milk, cream, or lemon. Traditionally tea is frequently consumed as green tea (trà xanh). Variants of black tea (chè tàu) is also widely used although frequently scented with "Jasminum sambac" blossoms (chè nhài, trà