title: [Resources distribution and pharamacognostic identification of Centella asiatica (L.) urban produced in China].
abstract: OBJECTIVE
  To investigate the resources distribution and morphological histology of Centella asiatica distributed in China, and offer evidences for exploiting the plant resources and drafting the quality standards.
  
  
  METHODS
  Sample collection, document investigation and microscopic section observation.
  
  
  RESULTS
  A table of resources distribution was worked out, the medicinal properties and the microscopic characteristics of the stem, leaf and stipe were described.
  
  
  CONCLUSIONS
  This study supports the viewpoint of Urban and can be used as a reference for the quality standard of Centella asiation.
authors.affiliation: College of Pharmacy, Second Military Medical University, Shanghai 200433, China.
authors.forename: Y
authors.initials: Y
authors.lastname: Chen
authors.forename: L P
authors.initials: LP
authors.lastname: Qin
authors.forename: H C
authors.initials: HC
authors.lastname: Zheng
authors.forename: Z H
authors.initials: ZH
authors.lastname: Zhang
mesh_terms: D028041:Centella / Q000033:anatomy & histology*; D002681:China; D003247:Conservation of Natural Resources; D010598:Pharmacognosy; D018515:Plant Leaves / Q000033:anatomy & histology; D018547:Plant Stems / Q000033:anatomy & histology; D010946:Plants, Medicinal / Q000033:anatomy & histology*