Laxly caespitose perennial; stems 10-70 cm, smooth, often rooting at the nodes and producing short, leafy axillary stolons. Leaves usually 1-2 mm wide, flat or sometimes involute, widest at the base, soft, usually scabrid; ligule (1-)1.5-4.5 mm, acute to acuminate. Panicle 2-20 cm, lax; branches patent at anthesis, usually erect afterwards, more or less scabrid. Spikelets 1.6-2.5 mm, brownish. Glumes lanceolate, acute, subequal, somewhat scabrid on the keel. Lemma c. 2/3 as long as glumes, the lateral veins shortly excurrent; awn up to 4.5 mm, arising slightly below the middle, sometimes absent; callus with very short hairs. Palea very short. Anthers 1- 1.5 mm, more than « as long as the lemma.