grasses, culms tall. Leaf-blades linear, aromatic. Inflorescence composed of
paired racemes on common peduncle,
enclosed by a boat-shaped spatheole, or
leafy false panicle, racemes short, lowermost pair of spikelets in each
raceme homogamous. Sessile spikelets dorsally compressed, callus obtuse,
pedicellate spikelets male or barren, as long as the sessile but never
depressed on back, awnless; lower glume chartaceous, shallowly concave, 2-keeled; lower florets reduced to hyaline lemmas,
upper lemmas hyaline or stipitiform, bilobed, awned or awnless; paleas absent.
Caryopsis subterete to plano-convex.