Tufted annual to 500 mm high, geniculate, erect to prostrate, hygrophyte. Leaf blade 20-80 x 3-6 mm, upper leaf surface densely covered with papillae. Inflorescence base enclosed by uppermost leaf but the inflorescence extends beyond leaf apex; spikelets crowded; adpressed to branches. Spikelet 2.7-3.3 mm long; lower glume up to 1/4-1/3(3/4) the spikelet length, 1-nerved; upper glume 7-9-nerved; lower floret sterile, lemma 7-9-nerved, palea well developed or reduced, long and narrow; upper lemma pale, smooth and shiny.