异燕麦(原亚种) yi yan mai (yuan ya zhong)

Avena hookeri Scribner, True Grasses 123. 1890; A. ten-toensis Honda; Avenastrum asiaticum Roshevitz; A. tentoense (Honda) Kitagawa; Helictotrichon asiaticum (Roshevitz) Grossheim.

Plant 20–50 cm tall. Panicle 4–8 cm, dense, branches usually bearing a single spikelet. Spikelets golden brown.

Mountain meadows and rocky mountain slopes; below 3500 m. Qinghai, Sichuan, Xinjiang, Yunnan [Mongolia, Russia; North America].