Inferior glume 1/3 length of spikelet, acute to acuminate, separated from the superior by a short internode.
Superior lemma minutely granulose, with a short stubby mucro.
Spikelets 4–6 mm. long, sparsely pubescent above, acute.
Leaf laminae 5–25 mm. wide.
Culms 60–120 cm. high.
Coarse annual.