Definition: Lithobioid is a genus of plants in the family Cyperaceae, which includes many species known for their distinctive leaf shape, called lithoblasts. These lithoblasts are usually brown or grayish-brown and have a thin, waxy coating on top that can be used to protect the plant from water and insects. The leaf is typically wide at the base and narrow at the tips, with an irregularly shaped surface. Other features of the lithobioid include