Mendong (Fimbristylis Umbrellaris) is a kind of grass that lives in swamps.
Mendong plant have a long dense trunk structure with a height 20-120 cm with a diameter of 1-5 cm. Mendong grows in China, India, Malaysia. In Indonesia, Mendong almost grow in all areas that have a swamps environment, irrigated rice field. Mendong can be sickled after 3,5-4,5 months and after one month it will grow back and can be harvested without having to replant. This cycle repeats up to 5 times in 2 years.