Description from
Flora of China
Dioscorea giraldii R. Knuth.
Rhizome with cork layer readily peeling or flaking off. Stem slender. Male flowers sessile.
Mixed forests, scrub forests; 100--1700 m. Anhui, Gansu, Hebei, Heilongjiang, Henan, N Jiangxi (Lu Shan), Jilin, Liaoning, Nei Mongol, Ningxia, S Qinghai, Shaanxi (N of Qin Ling), Shandong, Shanxi, NW Sichuan, N Zhejiang [Japan, Korea, Russia].
