Inferior glume 0.5–1 mm. long, ovate, separated from the superior by a short columnar internode.
Leaf laminae narrowly lanceolate, cordate and amplexicaul at the base.
Straggling annual, rooting at the lower nodes.
Inferior lemma with an awnlet 0.5–1 mm. long.
Panicle 8–25 cm. long, ovate, effuse.
Spikelets 2.5–3.5 mm. long.
Culms 40–150 cm. high.