Camellia has been cultivated since the Three Kingdoms period. Now there are more than 20000 varieties, 883 in China. The wild camellia is usually a red single petal with 6-7 petals. The cultivated varieties have double petals and double petals. Among them, the more famous eighteen bachelors have about 130 petals, arranged in 18 rounds, or even up to 20 rounds. There are many colors of flowers, such as red, yellow, pink, white, even white, red dot, etc.
Camellia originated in southern China, prefer warm and humid climate. It needs loose and fertile sandy soil, with slight acidity as the best. The temperature can be controlled between 20-32 ℃. If it is too high, it will stop growing and burn the leaves. Usually need to spray water to increase the environmental humidity, to prevent the leaves from drying out.
Camellia not only has beautiful shape, but also has edible and medicinal value. Its leaves can be made into tea and its petals can be pressed for oil. Flower bud can be used to treat hemoptysis or epistaxis, burn and scald.
Camellia won the seventh place in the vote of the top ten famous flowers, which is slightly inferior to some more widely distributed flowers in China. But many cities regard it as city flower, such as Chongqing, Kunming, Ningbo and so on. In addition, Yunnan also designated it as a provincial flower, which shows people's love for it
