缘毛披碱草(原亚种) yuan mao pi jian cao (yuan ya zhong)

Roegneria pendulina Nevski in Komarov, Fl. URSS 2: 616. 1934; Agropyron caninum (Linnaeus) P. Beauvois var. amurense (Korshinsky) Korshinsky; Triticum caninum Linnaeus f. amurense Korshinsky.

Culms glabrous throughout, rarely pubescent at nodes. Leaf sheath usually retrorsely pubescent at base. Spikelets with 4–8 florets. Fl. and fr. May–Jul. 2n = 28*.

Forests, mountain slopes, valleys, along rivers. Gansu, Hebei, Heilongjiang, Liaoning, Nei Mongol, Shaanxi, Shanxi, Sichuan [Japan, Korea, Mongolia, Russia].