穿龙薯蓣，主产于东北和华北，华中及四川、陕西、甘肃、山东等地也有分布，常生于山野林下，在各地，又有穿山龙、地龙骨、野山药等俗称，为薯蓣科薯蓣属多年生缠绕草本植物。其根状茎圆柱形，皮层纸状剥脱，内黄色，骨质坚硬，在地下约10厘米深模走；茎有纵纹，左旋缠绕。叶 It is commonly found in northeastern and northern China, central China and Sichuan, Shaanxi, Gansu, Shandong and other places. It is often born under wild forests and is commonly known as Dioscorea zingiberensis, Is a perennial wound herb. Its rhizome cylindrical, cortex paper stripping, the yellow, hard bone, about 10 cm in the ground deep mode; stems have longitudinal stripes, left-handed winding. leaf