Inferior lemma armed with stiff bristles based in yellowish tubercles.
Superior glume armed with stiff bristles based in yellowish tubercles.
Inferior glume 1/3–2/3 length of spikelet, acute to acuminate.
Spikelets 6–8 mm. long, lanceolate.
Superior lemma cartilaginous.
Culms 30–100 cm. high.