This genus is a native of the West Transvaal. There is one species.
Frithia pulchra. A small stemless plant, with thearranged in a rosette. These are almost cylindrical, and look as if they had been abruptly cut off, leaving a semi-transparent “window”. The are grey-green and the flower is carmine, white in the centre, and freely produced from June to August. It needs a warm, light and the should be very sandy. In the early part of the year the plant should be kept dry, and in winter moderately moist. Easily grown from , flowering in the second year.