Botanical Name :- Cyperus rotundus L., Family. Cyperaceae.

Synonyms :- Cyperus rotundus var. acutus Boeckeler, Cyperus rotundus f. comosus (Sm.) Kük., Cyperus rotundus f. depallescens Ekman & Kük.

Regional Name :- English : Nut Grass, Hindi : Motha, Sanskrit : Mustaka, Varida, Urdu : Sad Kufi, Punjabi : Mutha, Motha, Gujrati : Moth, Nagarmoth, Bengali : Mutha, Musta, Assamese : Mutha, Somad Koophee, Kannada : Konnari Gadde, Malayalam : Muthanga, Kari Mustan, Marathi : Moth, Nagarmoth, Motha, Bimbal, Tamil : Korai, Korai-Kizhangu, Telgu : Tungamustalu.

Part Used :- Root & Rhizome

Description :- Motha is found in throughout the country, common in waste grounds, gardens and roadsides, upto an elevation of 1800 m. Drug consists of rhizome and stolon having a number of wiry roots, stolon 10-20 cm long having a number of rhizomes, crowded together on the stolons, rhizomes bluntly conical and vary in size and thickness, crowned with the remains of stem and leaves forming a scaly covering, dark brown or black externally, creamish-yellow internally; odour, pleasant.

Phytoconstituents :- Volatile Oil. It contains sesquiterpene hydrocarbons, epoxides, ketones,     monoterpenes and aliphatic alcohols. Sesquiterpenes include selinene, isocurcumenol, nootkatone, aristolone, isorotundene, cypera- 2, 4(15)-diene, and norrotundene, as well as the sesquiterpene alkaloids rotundines A-C. It is also contains Camphene, Copaene, Cyperene, Cyperenone, Cyperol, Cyperolone Cyperotundone Dcopadiene, D-epoxyguaiene, D-fructose, D-glucose, Flavonoids, Gamma-cymene, Isocyperol, Isokobusone, Kobusone,

Ayurvedic Properties :-  Rasa : Katu, Tikta, Kasaya, Guna : Laghu, Ruksa, Vipaka : Katu, Virya : Sita, Karma : Sothahara, Dipana, Grahi, Krmighna, Pacana, Visaghna, Pittakaphahara, Sthoulyahara, Trsnanigrahana, Tvakadosahara, Jvaraghna.

Ayurvedic Applications :- Agnimandya, Ajerna, Trsna, Jvara, Sangrahani, Svasa, Kasa,Mutrakrcchra, Vamana, Stanyavikara, Sutikaroga, Atisara, Amavata, Krimiroga.

Medicinal Uses :- Motha is used in Digestive weakness, Indigestion, Diarrhea, Dysentery, Malabsorption, Excess thirst, Rheumatism, Vomiting, Cold, Cough, Gynecological Disorders, Skin Disorders, Intestinal Parasites, Painful urination, fever etc.