Perennial; caespitose; clumped densely. Basal innovations intravaginal. Culms erect; 12–50 cm long. Lateral branches lacking. Leaf-sheaths open for most of their length; with 0.25 of their length closed. Ligule an eciliate membrane; 0.5 mm long. Leaf-blades filiform; conduplicate; elliptic in section; 3–40 cm long; 1–1.5 mm wide; stiff; glaucous; without exudate, or pruinose. Leaf-blade venation comprising 7–9 vascular bundles; with 3 inner ridges; with 3–5 subepidermal sclerenchyma strands; without layer of subepidermal sclerenchyma masking vein striation, or with continuous uniform subepidermal sclerenchyma layer on the underside. Leaf-blade surface smooth. Leaf-blade apex acute.