青海碱茅 qing hai jian mao

Perennial, tufted. Culms erect, 10–30 cm tall. Ligule 0.5–1.5 mm; leaf blades 2–6 cm, 0.5–1.5 mm wide. Panicle usually spreading, 3–8 cm; branches (1 or)2(or 3) per node, 2–5 cm, thin, smooth, lower part naked. Spikelets 3–4 mm, tinged with purple, florets 2–4; glumes obtuse, lower glume 0.5–1 mm, upper glume 1–1.5 mm; lemmas 1.6–2.2 mm, pubescent at base; palea keels scabrid on upper part; anthers 0.8–1.3 mm. Fl. Jun–Jul.

* Alpine riversides, meadows; 2000–3500 m. Qinghai.