Perennial grass with long stolons, rooting and shooting at nodes, inflorescences narrow and nodding or drooping on long slender culms. A species of grasslands. Leaf-sheath 5-10 cm, with retrorse hairs 0.5 mm, or glabrous; keeled. Auricles absent or minute, 0.15-0.25 mm, scarcely clasping. Ligule 0.5-1 mm, lacerate; prominent. Leaf-blade 15-25 cm × 1.5-2 mm, flat, thin, abaxially with distinct midrib, glabrous or occasionally with hairs 1 mm beside ribs or shortly retrorse prickle-toothed, adaxially with prickle-teeth on ribs occasionally with hairs 0.5 mm; margin glabrous or shortly toothed. Culm 50-75 cm, nodes inconspicuous, internodes glabrous, slender. Inflorescence very narrow, slender, 8-15 cm, of 10-25 spikelets > internodes; internodes 2.5 mm to 6 mm below; rachis prolongation 3-6 mm. Spikelets 8-12 mm, of 1-2 florets, appearing shortly stipitate above glumes; rachilla prolongation 3-4 mm, shortly prickle-toothed. Glumes 2, awnlike, 2-6 mm, ± equal, > internodes, 1-nerved, prickle-toothed on keel and margins, < spikelet. Lemma 6.5-8 mm, smooth except for prickle-teeth towards bifid apex and evident on lateral nerves in upper half; keel ± prominent; scabrid awn 0.5-1 mm. Palea 6.5-7 mm, ≤ lemma; apex bifid; keels shortly toothed and inrolled. Callus 0.5-0.75 mm, flat; disarticulation almost flat. Rachilla to 1.3 mm if 2-flowered, shortly prickle-toothed. Lodicules 0.75-1.75 mm, lobed or entire. Anthers 1.6-2.6 mm, often retained on apex of caryopsis. Gynoecium: ovary 1-2 mm; stigma-styles 1.75-2.25 mm. Caryopsis 4 mm; embryo 1-1.3 mm. Chasmogamous and cleistogamous. 2n= 28.
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