东亚羊茅 dong ya yang mao

Festuca pseudosulcata Drobow var. litvinovii Tzvelev, Rast. Tsentr. Azii 4: 170. 1968.

Plant loosely or densely tufted or turf-forming; shoots intravaginal. Culms 20–50 cm tall, nodes 1–2. Leaf sheaths glabrous; auricles absent; leaf blades conduplicate, rigid, 5–20 cm × 0.5–0.8 mm, smooth, veins 5–7; adaxial to abaxial sclerenchyma strands absent, abaxial sclerenchyma in narrow discrete strands or rarely in broad bands; ligule 0.2–0.4 mm, margin ciliolate. Panicle spikelike, 3–6 cm; branches 1–2 cm, pubescent, 1(–2) at lowest node. Spikelets 6–8 mm, yellowish green or brown; florets 3–5; glumes with ciliate margins; lower glume lanceolate, glabrous, 2.8–3.5(–4.2) mm; upper glume lanceolate or oblong, (3–)4–5 mm, pubescent; rachilla internodes 0.8–1.2(–1.9) mm; lemmas 4–5.5 mm, pubescent; awns 0.8–3 mm; palea keels scabrid, pubescent between keels. Anthers 2–2.8 mm. Ovary apex glabrous. Fl. and fr. Jun–Aug.

Grassy mountain slopes, meadow steppe, roadsides; 2100–4200 m. Hebei, Heilongjiang, Liaoning, Nei Mongol, Qinghai, Shanxi, Xinjiang [Mongolia, Russia].