双湖碱茅 shuang hu jian mao

Perennial, densely tufted. Culms slender, 5–8 cm tall, 1-noded at base. Leaf sheaths clustered at culm base; ligule ca. 1 mm, triangular; leaf blades soft, 2–3 cm, ca. 1 mm wide, adaxial surface scabrid. Panicle 1–2 × ca. 1 cm, with ca. 10 spikelets; branches 1 per node, 0.7–1 cm, spreading, smooth, spikelets 1–3; pedicels thickened at apex. Spikelets ca. 4 mm, florets 2 or 3; glumes narrowly acuminate, lower glume 1.2–1.5 mm, upper glume ca. 2 mm; lemmas 2.8–3 mm, glabrous, apex acuminate; palea shorter than lemma, keels smooth; anthers ca. 1.5 mm. Fl. Jun–Jul.

* Saline grassland on mountain slopes; 4500–5100 m. Xizang.