Markedly stoloniferous perennial, with bright green, rarely glaucous leaves, tending to lie along the ground, and very slender culms erect or geniculate and ascending, to 50 cm; branching extravaginal; leaf-blades persistent. Leaf-sheath pale green to light brown, membranous, mainly glabrous but with minute hairs and prickle-teeth near hyaline margin, occasionally near ligules and on keel. Ligule 0.7-1.5 mm, apically glabrous, entire, rounded, abaxially with dense, minute hairs. Leaf-blade (5.5)-10-17 cm × 1-2 mm, flat, soft, abaxially glabrous, adaxially with very minute fine hairs; margins ciliate near ligule, midrib minutely scabrid especially near filiform, acuminate tip. Culm 10-25-(36) cm, internodes very minutely scabrid just below panicle or rarely smooth. Panicle 10-25 cm, lax and delicate; rachis very minutely, sparsely scabrid, branches finely scabrid, spreading, with few spikelets at tip. Spikelets 3.5-5-(6) mm, (2)-3-4-(5)-flowered, green, rarely purplish. Glumes unequal; lower 0.8-1.5 mm, 1-nerved, narrow-lanceolate, subobtuse, upper 1.5-2 mm, 3-nerved, elliptic-lanceolate, obtuse, midnerve scabrid. Lemma 2-3 mm, 5-nerved, narrow-lanceolate, subobtuse, nerves minutely scabrid above, lateral nerves occasionally with long hairs near base, internerves glabrous. Palea 1.5-2 mm, keels ciliate-scabrid, interkeel ± minutely hairy. Callus glabrous, or often with a few fine long hairs. Rachilla 0.5-1 mm, glabrous or with a few hairs. Lodicules 0.2-0.4 mm. Anthers 0.3-0.5 mm. Gynoecium: ovary 0.3-0.5 mm; stigma-styles 1.0-1.25 mm. Caryopsis c. 1 × 0.3 mm. 2n= 28. Plates 4D, 7B.
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