There are 17 species (including varieties) of medicinal plants from Dioscorea in Guizhou province. The distribution, growing environment and medicinal effect of these species have been clarified, and an identification index has been established.

• 贵州省薯蓣属药用植物共有17种(含1变种),基本查清其地理分布与药用功效,并列出了分类检索表。