pubmed-article:12572442 | pubmed:abstractText | In this paper, 5 kinds of Quanshen that original plants are Polygonum bistorta L., P. viviparum L., P. paleacum Wall., P. sphaerostachyum Meisn., P. macrophyllum D. Don. are made an initial study on the characteristics, microscopical and physichemistical sides. It provide scientific basis for its comprehensive development and ultilization, and to use in clinical. | lld:pubmed |