Plants oblong to pyramidal in the upper portion. Culms 60-160
cm; internodes not glaucous. Sheaths (2)2.5-3.4(4.7) mm wide,
scabrous; ligules sometimes ciliate, cilia to 0.3 mm; blades green,
usually scabrous. Subtending sheaths of inflorescence units usually 2.5-3.4
mm wide; peduncles (4)11-35(60) mm; rames usually 2.1-2.9 cm,
exserted. Keels of lower glumes usually smooth below midlength, scabrous
distally; anthers eventually deciduous.
Andropogon glomeratus var. glomeratus grows in bogs, swamps, savannahs,
flatwoods, and ditches of the southeastern United States.