Perennial, tufted. Culms erect or ascending from decumbent base, 20–60 cm tall, usually unbranched, rooting at nodes, nodes pubescent. Leaf sheaths often hirsute along collar and margins, otherwise glabrous; leaf blades variable, linear to narrowly lanceolate, flat or folded, 5–20(–35) cm × 2–7 mm, adaxial surface hispid or scabrid, hairs tubercle-based or not, abaxial surface usually glabrous; ligule 0.2–0.5 mm. Panicle narrow, 8–25(–40) cm; branches appressed or loosely erect or ascending; spikelets in threes at lower nodes, paired or solitary toward apex. Spikelets 3–5 mm, base usually conspicuously pilose; glumes subequal with lower slightly longer, scabrid on veins, apex acute to awned; glume awns 0.5–7 mm with lower glume longer awned; lemma 1–3-veined, awned; awn 8–15 mm, straight or slightly flexuous, capillary, uniform throughout. Fl. and fr. Aug–Dec.
Home