Chrysanthemum (chrysanthemum (Ramat. )Tzvel。 ) is a perennial herb of Compositae and Chrysanthemum in plant taxonomy. According to the cultivation form, it can be divided into many cultivation types, such as multi-headed chrysanthemum, single-headed chrysanthemum, big chrysanthemum, cliff chrysanthemum, artistic chrysanthemum, desk chrysanthemum and so on. According to the appearance of petals, it can be divided into garden hug, retreat hug, reverse hug, disorderly hug, happy hug, flying hug and other cultivation types. Different types of chrysanthemums are named after different varieties.
Chrysanthemum is one of the top ten famous flowers in China, one of the four gentlemen among flowers (Prunus mume) and one of the four cut flowers in the world (chrysanthemum, rose, carnation and gladiolus), with the highest yield. Because chrysanthemums are cold and proud of snow, there is Tao Yuanming's famous sentence "Pick chrysanthemums under the east fence and see Nanshan leisurely". Chinese people have the custom of enjoying chrysanthemums and drinking chrysanthemum wine on the Double Ninth Festival. Tang Meng's "Passing the Old Village": "Wait until Shan Ye Holiday, I will come back in the chrysanthemum season." In ancient myths and legends, chrysanthemums are also endowed with the meaning of good luck and longevity.