Habitat: A perennial grass, cultivated chiefly in Rajasthan, Uttar Pradesh., Punjab and the West Coast.
English: Vetiver, Khas.Ayurvedic: Ushira, Bahu-muulaka, Sugandhimuula, Jataamedaa, Indragupta, Nalada, Laamajjaka, Sevya, Samagandhaka, Jalavaasa, Virana, Aadhya.Unani: Cuscus, KhasSiddha: Vettiver, Vilamichaver.Action: Root—infusion used as refrigerant, febrifuge, diaphoretic; stimulant, stomachic, antispasmod- ic, emmenagogue, astringent, blood purifier. Used in fevers, colic, flatulence, vomiting, spermatorrhoea and strangury. Root oil—used in obstinate vomiting, colic and flatulence.
The Ayurvedic Pharmacopoeia ofIn- dia recommend the root in dysuria.Major constituents of North Indian laevorotatory oil, (obtained from wild roots) are antipodal terpenoids, while those of South Indian dextrorotatory oils (obtained from cultivated roots) are sesquiterpene ketones and alcohols.The North India Khas oil contains large amounts of khusilal, other ses- quiterpenes include khusol, khusimol, khusitone, cadinene and laevojuneol. The South Indian Khas oil constituents are largely nootkatone, vestipiranes and substances of tricyclic zizaane structure. Khusilal is absent in typical dextrorotatory Khas oils.The oils from other producing countries are found to be dextrorotatory similar to that from South India.Dosage: Fibrous root—3-6 g for infusion. (API, Vol. III.)