Annuals. Leaf-blades flat. Inflorescence an open or rarely contracted panicle with large pendulous spikelets. Spikelets 2-6-flowered (rarely more), the lower 1-3 florets bisexual, the others ± reduced, the terminal floret barren or vestigial; rhachilla disarticulating above the glumes and sometimes between the florets, or not at all in cultivated races; glumes lanceolate to ovate or elliptic, equal or almost so, rarely very unequal, rounded on the back, scarious-membranous or herbaceous-membranous, with thin margins, 7-11-nerved; lemmas lanceolate to ovate or oblong, shorter than or equalling the glumes, rarely exserted, rounded on the back, herbaceous, becoming hardened, 5-9-nerved, with a geniculate (or rarely straight) awn from the back, or awnless in some cultivated races; paleas shorter than the lemmas, 2-keeled; stamens 3; stigmas 2.