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Spikelet sessile, sunk in the internode; callus obtuse; inferior glume coriaceous, broadly convex, smooth, wingless; inferior floret reduced to a hyaline lemma; superior lemma entire and awnless; palea small or suppressed.
Inflorescence a single terminal or axillary raceme; raceme cylindrical, the spikelets borne singly on alternate sides of the rhachis; internodes semicylindrical, strongly oblique at base and apex.
Ligule a very short membrane; leaf laminas involute.
Caryopsis oblong-elliptic, dorsally compressed.
Perennial.
