(Lasia spinosa) is a spinous marshy herb which grows abundantly in Sri Lankan marshlands. It is cultivated as a vegetable in certain areas. There are five varieties: kiri kohila, guru kohila, wel kohila, kalu kohila and goda kohila.
The tubers, roots and leaves are used as medicine. The tubers and leaves contain a lot of fibre. Kohila tends to be cooling. The leaves contain calcium and vitamin C.