or perennial grasses. Culms tall, tufted, coarse. Leaf-blades linear,
leaf-sheaths keeled, ligules short. Inflorescence a leafy compound panicle,
composed of a series of short racemes, each subtented by a sheathing spatheole,
raceme single or in bunches, each raceme comprising 2 homogamous pairs of
spikelets forming an involucre at base and 1-4 sessile spikelets with their
pedicelled attendants. Sessile spikelets falling entire, callus obtuse to
pungent, pedicelled spikelets awnles; lower glume coriaceous, rarely grooved,
obtuse; lower floret reduced; upper floret perfect; lemma stipitiform, awnless or awned; paleas small or absent.
Caryopsis lanceolate, channelled.