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Lemmas similar to the glumes, 7-nerved, acute and shortly awned, keeled, glabrous and smooth except for the scaberulous keels and awns, membranous with hyaline margins, glabrous, the lowermost sterile.
Glumes sub-equal, persistent, keeled, membranous, acute, prominently 5-nerved, with transverse veinlets between the nerves, scaberulous along the keels, glabrous, often mucronate.
Paleas slightly shorter than the lemmas, 2-keeled, hyaline, compressed, apex obtuse, base bulging out from the lemma, ciliate along the keels.
Spikelets long-pedicelled, solitary, laterally compressed, loosely imbricate, 3-7-flowered, awned.
Caryopsis free, obliquely ovate in outline, laterally compressed; embryo very small; hilum basal.
Ovary elliptic, glabrous; styles distinct, short; stigmas plumose, laterally exserted.
Florets all fertile, hermaphrodite except for the reduced terminal one.
Inflorescences of large panicles with spreading lax delicate branches.
Rhachilla disarticulating above the glumes and beneath the florets.
Lodicules 2, broadly cuneate.
Stamens 3.
