Deyeuxia talariata

Shortly rhizomatous perennial, culms erect, 25–100 cm high. Leaf-blades rather stiff, loosely to closely folded, ribbed, smooth and glabrous, 6–40 cm long and 1.5–3 mm wide when flattened out; sheaths often purplish; ligules truncate, 1.5–3 mm long. Inflorescence a rather dense, cylindrical panicle 4–17 cm long, sometimes interrupted near the base. Spikelets 3.8–5 mm long, usually slightly purplish; glumes narrowly acute, subequal, scabrous along the keel in the upper part; lemma acute, equal to or slightly exceeding the glumes, 5-nerved, evenly and minutely scabrous, becoming somewhat hardened at maturity, awnless or shortly awned from apex or just below; awn (when present) straight, to 0.8 mm long, exceeding lemma by up to 0.5 mm; callus hairs dense, two-thirds to almost as long as lemma; rachilla bristle 1–1.5 mm long, plumose, with hairs virtually reaching the apex of the lemma Flowers Feb.