or perennial grasses, culms erect or decumbent. Leaf-blades convolute to
lanceolate. Inflorescence of irregular racemes, these digitate or in whorls on
a common axis, each with a slender unilateral rachis. Spikelets ovate-elliptic,
paired or clustered; lower glume shorter than the spikelet, acute to acuminate,
3-nerved; upper glume equalling the spikelet, 5-7-nerved, ciliate along
margins; lower floret staminate, lemma herbaceous; upper lemma crisply
chartaceous, margins inrolled, shortly awned; upper palea acute, flaps basally
auriculate. Caryopsis ellipsoid.