An indigenous perennial in shady rocky woods, very common in rich soil, rhizome horizontal, creeping several feet in length and more or less twisted; of a yellowish-brown colour externally and about 1/4 inch in diameter, has a fragrant odour and a warm, aromatic, sweetish taste.
Constituents :
Contains 3.05 per cent of resin, 0.33 per cent of oil tannin, an acid albumen, mucilage and cellulose.
