Chrysanthemums are native to East Asia and Northeastern Europe. They were first cultivated in China as a flowering herb in the 15th century B.C. Today, there are over 20,000 cultivars in the world and about 7,000 cultivars in China. Chrysanthemum blooms are composed of many tiny flowers called florets. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.