Genus Carissa is a group of plants that includes about 30 evergreen and shrubby species. These plants are native to tropical and subtropical regions of Africa, Asia, Australia, and Madagascar. They are known for their attractive foliage and fragrant flowers, which are typically white or pink. Some synonyms used to describe this genus include Natal Plum, Boxwood Beauty, and Amatungulu. These names refer to specific species in the genus, such as Carissa macrocarpa, which is commonly called Natal Plum, and Carissa carandas, which is known as Amatungulu. These plants are popular for their ornamental value and are often grown as hedges, container plants, or as part of a mixed border.