The genus Plectranthus (Lamiaceae) is a significant, prolific and extensively used genus in southern Africa. It plays a dominant role in both horticulture and traditional medicine. Some 12 species are documented for their use in treating ailments by various indigenous peoples of southern Africa. It is a firm favourite in gardens and Plectranthus has been bred to further utilise the remarkable diversity of indigenous South African wildflowers with amenity horticultural potential. Although

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... sly subjected to both horticultural (Van Jaarsveld, 2006) and ethnobotanical (Lukhoba et al., 2006) review, Plectranthus is a genus with economic potential in various sectors, and this article aims to review this potential of southern African species.