Genus Peireskia is a type of cactus native to South and Central America. Commonly known as "rose cactus" or "pereskia," this plant belongs to the family Cactaceae. There are several synonyms used for the scientific name of this plant, including Rhodocactus, Pereskiopsis, and Leuenbergeria. While these names refer to the same plant, they may be used depending on the particular study or research being conducted. The genus Peireskia is unique among cacti because it has leaves instead of spines, and produces small pink or white flowers followed by edible fruit. This plant is often cultivated for its ornamental value and is popular in rock gardens and as a houseplant.