Andropogon distachyos L.

It is a tufted plant. The basal leaf-sheaths are silky-pubescent below. Racemes are 4-14 cm, paired, and terminal, . The internodes and pedicels are shortly linear to clavate and ciliate. The spikelet  is 0.8-1.6 cm, sessile including the callus; lower glume is slightly convex to slightly concave on the back, herbaceous to thinly coriaceous, glabrous to pubescent. Keels are lateral, winged for 1/2-2/3 their length, the membranous wings are confluent to a caudate, asymmetrically 2-toothed tip; upper glume with an awn 0.4-1 cm; upper lemma is 2-lobed to halfway, with an awn 1.5-3 cm. The spikelet is pedicellate  0.6-1.1 cm; lower glume lanceolate, herbaceous, 2-dentate with a slender bristle 3-9 mm.