- Botanical name : Cyperus rotundus Linn.
- Family : Cyperaceae
- Malayalam : Muttanga
- Tamil : Korai
- English : Nut grass
- Habit : Rhizomatous perennial herb
- Useful part : Rhizome
- Rasa Panchaka
- Rasa : Thikta, kashaya, katu
- Guna : Laghu, ruksha
- Veerya : Seeta
- Vipaka : Katu
- Karma : Pittakaphashamana
- Indications : Atisara, jwara, halimaka
- Dose : Churna(1-3g), kwatha(50-100ml)
- Formulations : Mustaparpatakadi kwatha, mustakarishtam
