Ivarancusa. Andropogon ivarancusa.
Ivarancusa.—The roots of Andropogon Ivarancusa Boiss., now considered to be in large part A. Schoenanthus L. (Fam. Gramineae), a native of Central India. It contains a volatile oil, resin, and a bitter substance, and is stated to be coming into wide vogue on the continent as a diaphoretic drug. It is also used in perfumery.