Are Berkheya and Valeriana both endemic to Africa?
Valeriana Valeriana is a genus of flowering plants in the family Caprifoliaceae, members of which may by commonly known as valerians. It contains many species, including the garden valerian, "Valeriana officinalis". Some species are native to Europe, others to North America and South America (especially in the Andes).
Gorteria diffusa Gorteria diffusa is a species of flowering plant in the daisy family. It is native to southern Africa, particularly South Africa. It is notable that the plant exhibits fourteen different phenotypes. It also exhibits sexual mimicry.