1.Agricultural and Animal Husbandry College,Tibet University,Nyingchi,Tibet 860000;2.TAAHC SWU Medicinal Plants Joint Research and Development Centre,Nyingchi,Tibet 860000
Based on the resources of medicinal plants of Polygonum L.in Markam county.By use of the specimen collection,classification and literature retrieval.It was found that there are 7 species of the genus Polygonum L.in Markam county,Among them,5 species could be used as Tibetan medicine.Conclusing that medicinal plant of Polygonum L.species was not much in Markam county,and growth in alpine region,with rich reserves.