Klattia is a genus of deciduous cormous perennials in the Iridaceae family with three species. It is a genus in a group referred to as South African woody irids. This fascinating and little studied group of plants that also includes the genus Nivenia (with eleven species) and Witsenia (with three species) can grow to be true shrubs producing thickened woody stems that arise from woody caudices. It is found in the mountains of the winter rainfall zone in southwestern South Africa.