Nagarmotha is a classical ayurvedic herb of perennial origin that goes by the botanical name Cyperus rotundus and belongs to the sedge family or the Cyperaceae family of plants and hence is a close relative of Cyperus esculentus, the tiger nut or chufa. Deemed as one of the most invasive and pestiferous plant all over the world, nagarmotha infests over fifty variety of crops worldwide. Nagarmotha is known by different names in different parts of the world. It is chiefly known as Nut grass, Nut sedge, Java grass, Coco grass, Red nutsedge, and Purple nutsedge in English, Mustak, Nagarmotha and Motha in Hindi, Mutha, Musta in Bengali, Muthakach in Tamil, Tunga Mustalu in Telugu, Muthanga in Malayalam, Tunge gadde in Kannada, Moth, Nagarmoth in Gujarati, Moth, Nagarmoth, Motha, Bimbal in Marathi, and Mutha, Motha in Punjabi. The Siddha medicines know this plant as Koraikkizhangu whereas Unani knows it by Naagarmothaa, Saad-e-Kufi.