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Spikelets obliquely obovate to semi-obovate, laterally much compressed, falling entire from the pedicels of very loose and open or contracted and dense panicles; lower floret barren with or without a valvule; upper floret about as long as or almost as long as the lower, hermaphrodite. Glumes thinly membranous, unequal to subequal, 3–5-nerved. Lower floret: valve similar to the upper glume; valvule, if present, narrow, 2-nerved. Fertile floret: valve narrowly boat-shaped, papery to subcrustaceous with firm very narrowly involute margins, obsoletely 5-nerved; valvule subequal to the valve, with a narrow convex back, of the same substance as the valve, with fine keels and thin flaps. Lodicules 2, minute, broadly cuneate. Stamens 3. Styles distinct; stigmas sublaterally exserted high up. Grain unknown. —Perennial with weak culms rising from a decumbent or creeping and rooting base. Blades flat, linear-lanceolate to lanceolate or almost linear; ligules membranous, short. Spikelets on long to very long and capillary or short pedicels and accordingly widely scattered or approximate.