Journal of Ethnopharmacology Volume 119, Issue 3, 28 October 2008, Pages 664-672 Ethnobotany in South Africa doi:10.1016/j.jep.2008.06.030 Review South African Salvia species: A review of biological activities and phytochemistry G.P.P. Kamatoua, N.P. Makungab, W.P.N. Ramogolab and A.M. Viljoena