Cyrtococcum

Annuals or perennials with decumbent or creeping culms rooting at lower nodes. Leaf blade narrowly lanceolate; ligule membranous. Inflorescence a diffuse panicle with capillary branches; pedicels much longer than spikelets, terete, scaberulous. Spikelets obliquely obovate in profile, strongly laterally compressed, hispidulous. Glumes thinly membranous, half to almost as long as spikelet, upper glume obtuse; lower glume acute. Lower floret sterile, its lemma as long as spikelet, obtuse or rarely mucronate; upper lemma as long as spikelet, subcoriaceous to crustaceous, smooth to punctate, gibbous, distinctly crested, margins inrolled and clasping only edges of palea; tip of palea reflexed. Caryopsis laterally compressed, asymmetric.