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Tall reed-like perennials. Leaf-blades broad and flat or rolled, firm, at length deciduous from the sheath. Inflorescence a large plumose panicle. Spikelets 2–7-flowered, the florets well exserted from the glumes; florets all hermaphrodite with the upper reduced, or sometimes the lowermost sterile and lacking a palea. Glumes lanceolate, unequal, 1–3-nerved, acuminate or drawn out into a short awn-point; lemmas longer than the glumes, rounded on the back, scarious-membranous, 3-nerved, the lateral nerves long-ciliate with spreading hairs as long as the lemma, usually shortly bilobed and awned from between the lobes; awn often recurved, not twisted; palea almost as long as the lemma; callus obtuse.
Spikelets 2–7-flowered, the florets well exserted from the glumes, disarticulating above the glumes and between the florets, all florets bisexual or the lowermost sterile and lacking a palea; glumes membranous, lanceolate, unequal, 1–3-nerved, acuminate or drawn out into a short awn-point; lemmas keeled, scarious-membranous, 3-nerved, long-ciliate on the lateral nerves, usually shortly 2-toothed at the apex and with a recurved awn from the sinus.
Inflorescence a large plumose panicle.
Caryopsis linear, subterete.
