矮羊茅 ai yang mao

Festuca ovina Linnaeus subsp. coelestis St.-Yves, Candollea 3: 376. 1928.

Culms 4–10(–12) cm tall. Leaf sheaths smooth; leaf blades rigid, 1.5–6(–10) cm, smooth, glabrous; vascular bundles 5. Panicle 1–5 cm. Spikelets 5–6 mm, green tinged purple or brownish purple; florets 3–6; glumes with margins usually ciliolate or lower glume only ciliolate on abaxial margin; lower glume narrowly lanceolate; upper glume broadly lanceolate or obovate; lemmas 3.2–4 mm, usually scabrid on upper back; awns 1–2 mm. Anthers 1–1.4 mm. Fl. and fr. May–Sep.

Forest margins, under shrubs, grassy mountain slopes, alpine meadows, floodlands; 2500–5300 m. Gansu, Hubei, Nei Mongol, Qinghai, Sichuan, Xinjiang, Xizang, Yunnan [Kashmir, E Kazakhstan (Tarbagatai Mountains), Kyrgyzstan, N Pakistan, Tajikistan].