Annual (ours). Inflorescence of digitate or whorled racemes; racemes with imbricate, 2-seriate, subsessile spikelets, terminating in an abortive spikelet. Spikelets several-many-flowered, laterally flattened, the lemmas disarticulating from below upwards, leaving the persistent rhachilla and paleas. Glumes 1-nerved, keeled, shorter than the lemmas. Lemmas 3-nerved, cartilaginous, glabrous, entire or 2-toothed and with a stout awn-point at the apex.