Annual herb; culme tufted, terete, erect, nodes glabrous or hispid, scabrid on margins, sheath terete, usually glabrous, ligules membranous; inflorescence of seneral spikes, rachis angular; inveleres sessile, bristles free to the base, inner ones woodlly; spikelets solitary or 2-3 to gether,shortly pediculate; glumes 4, lower glume lanceolate, hairy upper glume oblong lanceolate, cuspidate to acuminate, hairy, 5- nerved; lower lemma, pubescent-, 3-dentale at apen; palea hyaline, lacerate; upper lemma elliptic, chartaceous, cilialate, on margins; stamens 3, yellow, cary opsis lanceolate.