Edible portion: Root - oil for flavouring
A tropical grass. It keeps growing from year to year. It has stout roots. It grows 2 m high. It grows in dense tufts. The leaf blades are 90 cm long by 4-10 mm wide. The flower panicle is oblong and 13-30 cm long.
It is a tropical plant. It grows in areas that are seasonally flooded. It grows in ponds and ditches. It is good for cleaning dirty water.