Culms 70-110 cm, erect from scaly rhizomes. Leaves mostly shorter than 30 cm, junction of the sheath and blade evident; blades 5-10 mm wide, at an angle to the sheaths, surfaces glabrous or the adaxial surfaces hirsute, margins hispid, with papillose-based hairs. Panicles 8-16 cm long, 1-3 cm wide; branches stiffly to loosely erect. Spikelets 3-4 mm long, 0.7-1.5 mm wide. Upper glumes and lower lemmas pubescent, hairs 0.5-1 mm, appressed or spreading, usually colorless or white; anthers 1-1.8 mm. Caryopses 1.2-1.4 mm. 2n = 20.
"decumbent" is not a number."elongated" is not a number.