Spikelets 2.2–2.8 mm. long, ovate-oblong, glabrous, yellow or orange, often purple tinged; inferior glume broadly ovate, 1/3–1/2 the length of the spikelet, 3-nerved, acute; superior glume ovate, 7-nerved acute; inferior lemma similar to the superior glume sterile, its palea absent; superior lemma and palea dark, glossy.
Tufted perennial with culms 45–145 cm. high, the lower leaf-sheaths carinate and usually tinged pink.
Panicle 10–30 cm. long, oblong, the branches ascending, usually bare on the lower part.
Leaf laminae 20–55 cm. long, linear, glabrous, tapering to a firm, abrupt apex.