The following points highlight the top three types of drugs obtained from stems and woods. The types are: 1. Ephedrine 2. White Sandal Wood 3. Catechu. Type # 1. Ephedrine: Ephedra gerardiana Wall., of family Gnetaceae or Ephedraceae; Eng. Ephedrine; Hindi—Khanda. A small shrub, found in the drier regions of the temperate and Alpine Himalayas […]