文昌碱茅 wen chang jian mao

Puccinellia pamirica (Roshevitz) V. I. Kreczetowicz ex Ovczinnikov & Czukavina subsp. vachanica (Ovczinnikov & Czukavina) Tzvelev.

Perennial, tufted. Culms erect, 20–40 cm tall, slender. Ligule 1–2 mm; leaf blade conduplicate or inrolled 3–5 cm, 0.5–1.5 mm wide. Panicle usually spreading, 5–10 cm; branches 1–3 per node, slender, smooth or upper parts sparsely scabrid. Spikelets 3–5 mm, usually slightly purple tinged, florets 3 or 4; lower glume 1–1.5 mm, upper glume 2–2.5 mm; lemmas 2.2–2.8 mm, glabrous; palea keels smooth or sparsely scabrid on upper part; anthers 0.9–1.1 mm. Fl. Jun–Aug. 2n = 28.

Lake shores, saline meadows; 2500–3500 m. Qinghai, S Xinjiang, W Xizang [Tajikistan].