Culms 5–8 cm tall. Basal leaf sheaths persistent in tight bunches; leaf blades setaceous, 1.5–6 × ca. 0.1 cm, adaxial surface densely hirtellous and thinly pilose, abaxial surface glabrous, sometimes scabrid. Racemes 2–4 cm, slender, rachis slightly laterally compressed, margins hirtellous, spikelets appressed to rachis, not or only slightly imbricate. Spikelets 3.5–5.5 mm, purplish brown; florets 2–4, imbricate; lower glume lanceolate, symmetrical, 2–3 mm, acuminate; upper glume lanceolate, 3–4 mm, apex acute-apiculate; lemmas oblong-ovate, 3–3.5 mm, 2-dentate, central awn 1.75–2.5 mm, erect, teeth broad, acute to truncate, lateral veins extended into 0.2–0.7 mm awns; palea keels ciliolate. Anthers 3, 0.5–0.8(–1.2) mm. Fl. Jul.
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