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''Ruta'' comprises about 8 species. The botanical identity of ''Ruta'' grown in tropical Africa is not always clear. The presence of the related ''[[Ruta graveolens]]'' in tropical Africa is based on misidentifications, certainly so in Ethiopia. The chemical composition of both species is almost identical. ''Ruta graveolens'' is a polyploid. The medicinal and culinary uses in South Africa are similar to those of ''Ruta chalepensis''.