Culms to 150 cm high, 3-5 noded. Mid-culm nodes glabrous, exposed, constricted. Reproductive organization . Inflorescence of chasmogamous spikelets. Inflorescence a panicle , green and purple, erect, contracted, symmetrical.
Spikelets erect, spreading.
Hermaphrodite spikelets pedicellate, 7-11 mm long, laterally compressed, not disarticulating as a separate unit, disarticulating above the glumes. Pedicels to 10 mm long, erect, hispid. Rudimentary florets distal to the hermaphrodite florets. Awns 1, median. Anthers 1.2-2 mm long, purple.