Genus Coryphantha is a collective term used to describe a group of cactus species. Coryphantha is a genus that comprises around 60 species of small to medium-sized cacti. The word "coryphantha" is derived from the Greek words "koryphe" meaning top and "anthos" meaning flower. This genus of cacti is known for its beautiful flowers, which come in various colours ranging from white, yellow, pink, to purple. Some common synonyms for the Genus Coryphantha include Mammillaria, Escobaria, Echinocactus, and Sclerocactus. These synonyms are used interchangeably in various contexts but refer to the same group of cactus species with unique characteristics and features.