Cyperus rotundus commonly used drug in Unani medicine

Herbal medicine is the oldest form of medicine known to mankind. Cyperus rotundus L. is the world worst weed native to India, which belongs to the family Cyperaceae. It is a smooth, erect, glabrous, grass like, fibrous rooted, perennial herb that grows up to 15–60 cm height, and reproduces widely through rhizomes and tubers. Rhizomes are dark brown and woody, while stems are trigonous, green and smooth. Chemically revealed that, its consist of alkaloids, flavonoids, glycosides, phenols, tannins, steroids, starch and many novel sesquiterpenoids. In Asian countries, the rhizomes of C. rotundus, which are used as traditional folk medicine for the treatment of various ailments like amenorrhea, loss of appetite, colic, constipation, cough, diarrhea, dysentery etc. Keyword: Cyperus rotundus, weed, rhizomes, traditional folk medicines and Disease