Gentian, (Latin name: Gentiana scabra Bunge), as gentian plants. Perennial herb, 30-60 cm; root yellow-white, rope-like, long 20 cm or more. Stem erect, stout, often with purplebrown, rough.

  Leaves opposite, ovate or ovatelanceolate, 3-7 cm long, 1-2 cm wide, has a 3-5-veined, acute or acuminate, sessile, rough edges and below the main vein.Leaves opposite, ovate or ovatelanceolate, 3-7 cm long, 1-2 cm wide, has a 3-5-veined, acute or acuminate, sessile, rough edges and below the main vein.

  Flowers clustered stem end or leaf axils; bracts lanceolate, nearly as long as calyx; calyx campanulate, 2.5-3 cm long, lobes lanceolate strip, and nearly as long as calyx; corolla tubular bell-shaped, blue purple, 4-5 cm long, lobes ovate, pointed, triangular fold, dilute two cracked teeth; stamens 5, filaments basally have broadly winged;style short, stigma 2-lobed. Capsule oblong, with a handle; seed strip, the edge of wings. Distributed in Korea, Soviet Union, Japan, and China 's Heilongjiang, Jilin, Liaoning, Zhejiang and other places. Meadow, shrub or forest edge. Root medicine, can go hepatobiliary fire.

1. Inhibiting the hepatitis B virus, which is made into tablet, capsule and other models;

2. Used to treat viral myocarditis and kidney diseases, which is made into tablet, capsule, granules and conventional injection.