title: Rehmannia glutinosa
text: # Rehmannia glutinosa
  
  Rehmannia glutinosa is a flowering broomrape, and one of the 50 fundamental herbs used in traditional Chinese medicine, where it has the name shēng dì huáng (Chinese: 生地黄). It is often sold as gān dì huáng (Chinese: 干地黄), gān meaning "dried". Unlike the majority of broomrapes, R. glutinosa is not parasitic, and is capable of independent photosynthesis.
  
  ## Chemical constituents
  
  A number of chemical constituents including iridoids, phenethyl alcohol, glycosides, cyclopentanoid monoterpenes, and norcarotenoids, have been reported from the fresh or processed roots of R. glutinosa.
  
  ## Etymology
  
  * Rehmannia is named for Joseph Rehmann (1788–1831), a physician in St. Petersburg.
  * Glutinosa means 'glutinous', 'sticky', or 'viscous'.
  