What is a Chrysanthemum plant?

It is a type of plant that are native to Asia and the North Eastern part of Europe. The plants have been used as a herb as far back as the 15th century BC and was brought to Europe in the 17th Century. Countries in Asia boil the flower to make a drink called "Chrysanthemum Tea". The flower petals have also be known to enhance the aroma of certain Chinese cuisine. Chrysanthemum plants have been shown to reduce indoor air pollution.