Brassicaceae or Cruciferae (cabbage, turnip, caper family)

There are about 338 genera and 3709 species of Brassicaceae worldwide, with 34 genera (20 of them exotic) and 153 species (37 of them exotic naturalised species) in southern Africa. 

Capparaceae

There are 16 genera and 480 species (warm and tropical regions of the world), of which seven genera and 24 species are native to southern Africa. Cleome has previously been placed in the Capparaceae but is here placed in the Cleomaceae.

Caricaceae (papaw family)

There are four genera and 34 species (mainly tropical America but also tropical Africa), none of which are indigenous to southern Africa. However, the Papaw Carica papaya is cultivated in the subtropical parts of the southern Africa and is sold and eaten throughout the region. 

Cleomaceae

There are 10 genera and about 300 species worldwide, with the genus Cleome making up most of the species (275) and this is the only genus in the family that occurs in southern Africa, where there are 21 indigenous species.