title: Anatomical investigations on root, stem, and leaf of Gentiana olivieri Griseb.
abstract: BACKGROUND
  Gentiana olivieri Griseb. (Afat) (Gentianaceae), which has many bioactive compounds is used as antidiabetic, hepatoprotective, digestive aid, antidepressant, and antianemic in traditional medicine.
  
  
  METHODS
  Root, stem, and leaf sections of G. olivieri were taken free hand or by sliding microtome and examined on light microscope.
  
  
  RESULTS
  Anatomical characters of the species were observed to be similar to the usual features of Gentianaceae anatomy.
  
  
  CONCLUSIONS
  Intraxylary phloem, which was primarily the distinguishing feature between Gentianoideae and Menyanthoideae sub-families was observed in G. olivieri roots.
authors.affiliation: Ankara University, Science Faculty, Department of Biology, Tandogan, 06100, Ankara, Turkey.
authors.forename: Canan Yağci
authors.initials: CY
authors.lastname: Tüzün
authors.forename: Mehmet Cihat
authors.initials: MC
authors.lastname: Toker
authors.forename: Gülnur
authors.initials: G
authors.lastname: Toker