西南莩草(原变种) xi nan fu cao (yuan bian zhong)

Panicum forbesianum Nees ex Steudel, Syn. Pl. Glumac. 1: 98. 1854; Chaetochloa forbesiana (Nees ex Steudel) Scribner & Merrill; Setaria dubia P. C. Keng & Y. K. Ma.

Spikelet subtended by a stiff bristle 3–4 times its length. Lower floret usually staminate. Lower palea as long as lower lemma, as broad as upper floret. Fl. and fr. Jul–Oct.

Mountain slopes, valleys, roadsides, streams; 300–2000 m. Gansu, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Shaanxi, Sichuan, Yunnan, Zhejiang [Bhutan, N India, Myanmar, Nepal].