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Species of this Genus


Perennial or annual, monoecious grasses. Inflorescence of axillary, spiciform, spatheate racemes, each bearing pairs of unisexual awnless spikelets, female pairs below male pairs. Female spikelets sessile, dorsally compressed, closely appressed to internodes, with one fertile and one neuter florets; lower glume thick, coriaceous, upper glume membranous; lemmas and paleas thin, hyaline. Male spikelets 2-flowered, both or only the lower bearing stamens, glumes membranous. Caryopsis enclosed but free, hilum ovate.