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Erect perennial 380-1220 mm high; long creeping rhizome present; rootstock very well developed; tillers very loosely grouped; base dark brown to reddish; culm internodes glabrous, smooth. Leaf blade 200-400 x 2-6 mm glabrous or rarely pilose, sheath glabrous or with long white hairs; ligule a fringe of long hairs up to 2.3 mm long. Inflorescence 120-300 mm long, ± dense, branches stiff. Spikelet 5-10(-15) mm long (excluding awns), 5-15-flowered; glumes 2.0-4.5 mm long; lemma 2.6-5.0 mm long (excluding awns), central awn 1.0-2.5 mm long, shorter than lemma; anthers 1.2-2.3 mm long.
Perennial, rhizomatous (long creeping rhizome), up to 1.22 m high. Plant base dark brown to reddish; root-stock very well developed; tillers very loosely grouped. Leaf blades 200-400 mm long, 2-6 mm wide. Spikelets 6-10(-15) mm long. Panicle dense, 120-300 mm long; spikelets 5-15-flowered, central awn shorter than lemma; anthers 1.2-2.3 mm long.
Perennial; up to 1.22 m high; with long creeping rhizome; base dark brown to reddish; rootstock very well developed; tillers very loosely grouped. Leaf blades 200-400 x 2-6 mm. Flowers: panicle contracted or open; 120-300 mm long; spikelets 6-10(-15) mm long; spikelets 5-15-f lowered; central awn shorter than lemma; anthers 1.2-2.3 mm long.
Spikelets 5–10 mm long excluding the awns, 5–7(15)-flowered, narrowly oblong; glumes somewhat unequal in length, the inferior 2.3–4.3 mm long, the superior 3.7–4.5 mm long; lemmas narrowly lanceolate, the body 3–5 mm long; awns 2–2.5 mm long; anthers 1.2–2.3 mm long.
Caespitose perennial with well developed creeping rhizomes; culms up to 120 cm tall, erect, leafy throughout; leaf lamina 20–40 cm × 2–6 mm, flat or involute, setaceously acuminate.
Perennial to 1.2 m, with long creeping rhizomes. Leaves linear, rolled. Spikelets in a dense panicle to 30 cm long, 5-15-flowered, shortly awned.
Panicle 12–30 cm long, oblong or elliptic, dense, the branches straight or flexuous, spiculate ± throughout.
