Genus: Portulacaria

Life > eukaryotes > Archaeoplastida > Chloroplastida > Charophyta > Streptophytina > Plantae (land plants) > Tracheophyta (vascular plants) > Euphyllophyta > Lignophyta (woody plants) > Spermatophyta (seed plants) > Angiospermae (flowering plants) > Core Eudicots > Order: Caryophyllales > Family: Didiereaceae

Three species, endemic to southern Africa. Includes Portulacaria afra (Spekboom - succulent tree or shrub found mainly in Eastern Cape). 

Species native to southern Africa

List from Plants of Southern Africa - an Online Checklist (SANBI).