Plants oblanceolate to obpyramidal in the upper portion. Culms
80-150 cm; internodes not glaucous. Sheaths usually scabrous;
ligules ciliate, cilia 0.2-0.5 mm; blades green, smooth or pubescent.
Subtending sheaths of inflorescence units (2.3)2.9-4.5(6.3) cm long,
(1.5)2.3-3.3(4.4) mm wide; peduncles (2)5-10(16) mm; rames (1.7)1.9-2.3(2.8)
cm, exserted. Keels of lower glumes usually scabrous below and above
the midpoint.
Andropogon glomeratus var. scabriglumis grows in moist soils of
seepage slopes and the edges of springs, from California to New Mexico and southward
into Mexico.