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Species of this Genus


Annual, erect grasses. Leaves very narrow, ligule membranous. Inflorescence `a catkin-like spike, composed of globular spikelet clusters, spaced or confluent along an elongated central axis, the outer spikelets of each cluster with an enlarged lower glume and the lower or all lemmas empty and glume-like, thus forming a chaffy involucre of linear-acuminate scales. Spikelets ovate, strongly laterally compressed, florets several, rachilla disarticulating above glumes and between florets; glumes shorter than lemmas, subequal; lemmas keeled,  ending in an awn-point; palea winged on keels. Stamens 1-3. Caryopsis fusiform.