Genus Gymnocalycium is a diverse group of cacti commonly found in South America. There are several synonyms for this genus including Chin cactus, Chin Liang jing', Chinliangkung cactus, and Naked-fruited cactus. These synonyms highlight the unique features of this cactus, such as its lack of floral tube and its bare fruit surface. The genus Gymnocalycium is known for its vibrant flowers, which range in color from white to pink to red. Additionally, these cacti have unique spines and textures, making them a popular addition to succulent gardens and collections. Whether you refer to this genus by its scientific name or one of its many synonyms, it is sure to impress with its distinct beauty and charm.