Genus Callistephus is commonly known as the aster flower, and is a member of the family Asteraceae. Some common synonyms for the genus include Symphyotrichum and Asteriscus. There are various species within the genus, with some of the popular ones being Callistephus chinensis and Callistephus lanceolatus. These flowers are popular in gardens and floral arrangements due to their vibrant colors, and can range in size from small dwarf varieties to tall, branching specimens. They are also sometimes called China asters, due to their origin in East Asia. While the genus is most commonly referred to as Callistephus, it can also be identified by its synonyms in botanical literature.