Deyeuxia Clarion ex P.Beauv.

Perennials (rarely annuals), caespitose or sometimes few-leaved at base, sometimes shortly rhizomatous, rarely stoloniferous or scandent, bisexual. Culm nodes glabrous. Ligule truncate or obtuse, sometimes torn, wholly membranous or sometimes minutely ciliolate at apex. Inflorescence paniculate or racemose, sometimes appearing spicate. Spikelets pedicellate, laterally compressed, disarticulating above glumes, with 1 (rarely and aberrantly 2) bisexual florets, without incomplete florets; rachilla usually prolonged beyond floret, sometimes apparently terminating at floret. Glumes 2, very unequal or ±equal, shorter than to exceeding lemma, awnless, keeled, 1-nerved. Lemma lanceolate (rarely ovate), entire or bifid or shortly 4-toothed, usually 1-awned or sometimes mucronate or awnless, firmer-textured than glumes (rarely barely indurated), not keeled or somewhat keeled, 3–5 (–7)-nerved; awn dorsal or sometimes subapical. Palea 2-keeled, membranous, slightly shorter than to slightly exceeding lemma. Lodicules not toothed, membranous, glabrous. Stamens 3. Caryopsis free from both lemma and palea, longitudinally grooved; hilum short; embryo small.