灰早熟禾(原亚种) hui zao shu he (yuan ya zhong)

Deyeuxia hugoniana Rendle; Poa taiwanicola Ohwi.

Culms 5–15(–20) cm tall, usually glaucous or purplish. Leaf blade usually folded. Panicle branches quite thick, firm, obliquely ascending. Callus webbed. 2n = 42–49, 50, 56, 60, 63, 64, 65, 70, 72, 75, 78.

Dry gravel slopes, grassy places on river beaches; 2000–5200 m. Gansu, Nei Mongol, Qinghai, Shaanxi, Sichuan, Taiwan, Xinjiang, Xizang, Yunnan [Japan, Kazakhstan, Korea, Kyrgyzstan, Mongolia, Russia, Tajikistan; Europe, North America].