Barleria obtusa
Barleria obtusa, the bush violet, is a species of flowering plant in the family Acanthaceae. It occurs naturally along forest margins in the summer rainfall region of South Africa (Free State, KwaZulu-Natal, and the Northern Provinces) and in Mozambique. It is widely cultivated as a decorative garden shrub. Uses 
 
In tropical Africa, the leaves are cooked as a vegetable, and the plant is used medicinally. References

External links
 Species account. Advice on cultivation
 Barleria obtusa Nees

obtusa
Flora of the Free State
Flora of KwaZulu-Natal
Flora of Mozambique
Flora of the Northern Provinces
Plants described in 1841