Andropogon glomeratus var. glaucopsis
Plants usually oblong in the upper portion, sometimes cylindrical. Culms 1.2-2.2 m; internodes glaucous. Sheaths (1.3)2.3-3.1(4.7) mm wide, usually smooth; ligules ciliate or not, cilia to 0.2 mm; blades glaucous, glabrous, smooth. Subtending sheaths of inflorescence units usually 2-2.5 mm wide; peduncles shorter than 10 mm; rames usually shorter than 2 cm, not exerted at maturity. Keels of lower glumes usually scabrous beyond midlength.