侏碱茅 zhu jian mao

?Puccinellia platyglumis L. Liu.

Perennial, small, densely tufted. Culms 3–8 cm tall, glabrous. Leaf sheaths clustered at base; ligule ca. 1 mm; leaf blades conduplicate or inrolled, 1–2 cm, 0.6–1.2 mm wide, margins scabrid. Panicle contracted to spikelike, erect, ca. 2 × 0.5 cm; branches 2 or 3 per node, ca. 0.5 cm, ascending, smooth; spikelets ca. 3.5 mm, purple tinged, florets 2 or 3; glumes keeled, shortly acuminate, lower glume ca. 0.8 mm, upper glume ca. 1.2 mm, 1-veined; lemmas lanceolate, 2.2–2.3(–2.4) mm, glabrous, apex slightly acuminate; anthers 0.6–0.8 mm. Fl. Jun–Jul.

Alpine sandy lake shores, saline meadows; 4000–5100 m. Qinghai, Xizang [Pakistan].