Are Berkheya and Valeriana both endemic to Africa?
Berkheya Berkheya is a genus of flowering plants in the aster family, Asteraceae, and the subfamily Carduoideae, the thistles. It is distributed in tropical Africa, especially in southern regions. Of about 75 species, 71 can be found in South Africa.
Strumaria barbarae Strumaria barbarae is a species of plant that is native to Namibia and to Cape Province in South Africa. Its natural habitat is rocky areas.