Abstract: “Huangteng” is an antibacterial drug used in Chinese folk medicine.  It contains a large amount of Palmatine.  In recent years, although much chemical and pharmaceu tical investigations of this drug have been made, it has been misidentified as Fibraurea tinctoria Lour.  After a careful examination, however, the plant in question possesses three stamens with anthers about equal in length to the filaments. On the basis of thisfact, the present paper proposes a revision.  It pr