Cantua is a genus of flowering plants in the family Polemoniaceae which is in the order Ericales. They are restricted to central South America where many species are endemics in the countries of occurrence.
There are currently about 12[1] recognised species including:[2][3]
Cantua bicolor Lem., native to Bolivia and Peru
Cantua buxifolia Juss. ex Lam., native to Bolivia
Cantua candelilla Brand
Cantua cuzcoensis Infantes
Cantua dendritica J.M.Porter