Small genus of less than 10 heather-like, evergreen shrub species originating from the Western Cape Province of South Africa. They have been cultivated for their ornamental value as garden plants, particularly in Australia, where they are also known as diosma. Flowers and foliage are the main reasons for growing. This genus typically does not exceed 1m in height and are well suited to smaller gardens. Flowers have 5 petals, are small, star-shaped and usually pink or white coloured.