title: [Investigation on medicinal plant resources of Swertia in Yunnan province].
abstract: OBJECTIVE
  To explore the species and distribution of medicinal plants Swertia in Yunnan province, and provide scientific basis for sustainable utilization.
  
  
  METHODS
  Field investigation was carried out, specimens were collected, and literature and data were consulted.
  
  
  RESULTS
  There were 35 species and 2 varieties (including 1 newly recorded species), most of them were used as medicinal plants, and an identification index was established.
  
  
  CONCLUSIONS
  The results provide reliable foundation for comprehensive utilization and in-depth study of Swertia in Yunnan province.
authors.affiliation: Pharmaceutical Department of Dali University, Dali 671000, China.
authors.forename: Lansheng
authors.initials: L
authors.lastname: Zhang
authors.forename: Conglong
authors.initials: C
authors.lastname: Xia
authors.forename: Guangming
authors.initials: G
authors.lastname: Liu
mesh_terms: D002681:China; D003247:Conservation of Natural Resources; D004365:Drugs, Chinese Herbal / Q000494:pharmacology / Q000627:therapeutic use; D010946:Plants, Medicinal / Q000033:anatomy & histology / Q000737:chemistry / Q000145:classification* / Q000254:growth & development; D029967:Swertia / Q000033:anatomy & histology / Q000737:chemistry / Q000145:classification* / Q000254:growth & development
chemical_list: D004365:Drugs, Chinese Herbal