[Preliminary survey on medicinal plants of Polygonum in Gansu Province].
OBJECTIVE
To gain a clear idea on the resources of medicinal plants of Polygonum in Gansu.


METHODS
Field investigation, specimen collection, taxonomic study, scientific names study and literature retrieval were carried out.


RESULTS
The distribution, ecological environment and medicinal parts of 23 species and 7 varieties of Polygonum from Gansu have been clarified.


CONCLUSIONS
The investigation may prove to be useful for the utility and further study of Polygonum in Gansu province.
Qi
Huanyang
H
Lanzhou Medical College, Lanzhou 730000.
Yang
Yongjian
Y
Zhao
Runeng
R
D002681:China; D003247:Conservation of Natural Resources; D017753:Ecosystem; D010598:Pharmacognosy; D010946:Plants, Medicinal / Q000145:classification; D028502:Polygonum / Q000145:classification