Perennials. Leaf-blades flat, narrow; ligule a line of hairs. Inflorescence a loose many-sided false raceme, the spikelets solitary or paired and falling together with the enlarged common peduncle. Spikelets linear to lanceolate, awnless; glumes well developed, dissimilar, smooth or tuberculate-spinulose, the lower glume (only one of them when spikelets paired) modified into a long flat recurved tail, the upper glume tightly enfolding the floret; lemma broadly ovate, shorter than the glumes, hyaline, 1-nerved; palea tiny, up to 1/2 as long as the lemma, linear, hyaline; stamens 3. Caryopsis subterete to ellipsoid, slightly laterally compressed.
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