8a. Spodiopogon sibiricus var. sibiricus
大油芒(原变种) da you mang (yuan bian zhong)
Andropogon sibiricus (Trinius) Steudel; Saccharum sibiri-cum (Trinius) Roberty; Spodiopogon depauperatus Hackel var. purpurascens Honda; S. sibiricus var. purpurascens (Honda) Honda; S. sibiricus var. tenuis (Kitagawa) Kitagawa; S. sibiri-cus var. tomentosus Koidzumi; S. tenuis Kitagawa.
Leaf blades 20–40 cm; rachis internodes 2.5–5 mm; spikelets 4.5–6 mm.
Mountain slopes, roadsides, forest margins. Anhui, Gansu, Guangdong, Guizhou, Hainan, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi, Sichuan, Zhejiang [Japan, Korea, Mongolia, Russia (Siberia)].