(Bouteloua warnockii)
Racemes 9-15(-25); borne along a central axis; unilateral; 0.4-0.6 cm long; bearing 2-6 fertile spikelets on each. Central inflorescence axis 5-10 cm long; tip filiform. Rhachis deciduous from axis; angular; terminating in a barren extension; extension subulate. Spikelet packing broadside to rhachis; lax. Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 5-6.5 mm long; falling entire; deciduous with accessory branch structures.