Mid-culm internodes hollow, glabrous, terete to compressed. Basal leaf sheaths not keeled, terete, glabrous, with the veins equally striate. Reproductive organization . Inflorescence of cleistogamous spikelets. Inflorescence a panicle, erect, contracted, symmetrical.
Spikelets erect, spreading.
Hermaphrodite spikelets pedicellate, 8-15 mm long, laterally compressed, not disarticulating as a separate unit, disarticulating above the glumes. Pedicels to 30 mm long, erect, hispid . Awns 1, median. Lodicules 2, free, hyaline, lobed, with margin divisions lateral, glabrous. Cleistogamous anthers 0.6-1.5 mm long.