Survey on Polygonaceae herb resources of in Zhejiang Tiantong National Forest Park.

In this study, we employed the methods of field survey, literatures and consultation on local residents to survey the distribution of Polygonaceae herb resources of Zhejiang Tiantong National Forest Park. We found that there are four genera of medicinal Polygonaceae plants, i.e., Antenoron, Fagopyrum, Polygonum and Rumex in Zhejiang Tiantong National Forest Park, covering all the four genera of Polygonaceae plants found in Zhejiang Province, and sixteen medicinal species, i.e., Antenoron Filiforme, Antenoron neofiliforme, Fagopyrum dibotrys, Polygonum aviculare, Polygonum plebeium, Polygonum perfoliatum, Polygonum multiflorum, Polygonum orientale, Polygonum cuspidatum, Polygonum dissitiflorum, Polygonum hydropiper, Polygonum lapathifolium, Polygonum senticosum, Polygonum viscosum, Rumex acetosa and Rumex japonicus, accouning for approximately 32% of all the species of Polygonaceae plants found in Zhejiang Province(50 species). Our results would facilitate to the use of Polygonaceae herb resources.