Inflorescence of 2–7 racemes, these 2–6 cm. long bearing single or paired spikelets on a subtriquetrous rhachis fringed by copious stiff brown tubercle-based bristles 3–7 mm. long.
Spikelets 3.5–5.5 mm. long, lanceolate, bristly on the nerves of the inferior lemma.
Inferior glume 1/4 to almost 1/2 length of spikelet, ovate.
Superior lemma granulose, with a mucro 0.5 mm. long.
Culms 30–100 cm. high.
Annual.