Gentiana scabra Identity & Plant Part
The botanical entity is Gentiana scabra Bunge, a perennial of the Gentianaceae from East Asia with upright stems, narrow leaves and blue bell-shaped flowers. The part used is the root together with its short rhizome, and the aerial parts are not included. Long dan is a pharmacopoeial drug name that is filled from several closely related gentians, so the species has to be named. Qin jiao, from Gentiana macrophylla, is a different drug, and the European yellow gentian, Gentiana lutea, is another plant. The root of Gentiana scabra is intensely bitter, and iridoid and secoiridoid glycosides are the characteristic constituent family, named here without figures.












