Botany
Tufted, glabrous plant, growing to a height of 10-70 cms. Leaves are short and long, 2 to 5 mm wide. Umbels are 3 to 30 cm in diameter, the rays long and short, few to many. Spikes are loosely spicate. Spikelets are numerous, yellow or brown, 3 to 10 mm long. Glumes are 6 to 20, obovate, 1.2 mm long, 3- to 5-angled.

Distribution
A very common paddy weed in open, wet places.

Chemical constituents and characteristics
Tonic, stimulant, stomachic and astringent.

Parts utilized
Tubers

Uses
Folkloric
Decoction of ground tubers used for fevers.

Availability
Wild-crafted.