The genus Polygonum(Polygonaceae)contains rich medicinal plants. Among the 120 Polygonum species in China,81 species were recorded to have medicinal uses in traditional Chinese medicine and folk medicine.

• 蓼属(Polygonum)是蓼科中的一个药用大属,我国约有120种,其中81种供药用,包括许多著名的中药和民间药。