Chrysanthemum, often called mums or chrysanths, are of the genus (Chrysanthemum) constituting approximately 30 species of perennial flowering plants in the family Asteraceae which is native to Asia and northeastern Europe.
Chrysanthemums were first cultivated in China as a flowering herb as far back as the 15th century BC. The plant is renowned as one of the Four Gentlemen in Chinese and East Asian art. The plant is particularly significant during the Double Ninth Festival. It is believed that the flower may have been brought to Japan in the 8th century CE, and the Emperor adopted the flower as his official seal. There is a "Festival of Happiness" in Japan that celebrates the flower. (Source: Wikipedia)