Gnidia
Gnidia is distributed in Africa, Madagascar, Arabia, India, and Sri Lanka; more than half of all the species are endemic to South Africa. These are perennial herbs and shrubs, sometimes with rhizomes. Most species have alternately arranged leaves, and a few have opposite leaves. The leaves are undivided and unlobed. The inflorescence is a head of a few to many flowers. There are 140 to 160 species classified in the genus.