Panicum hallii subsp. hallii
Plants often depauperate, occasionally large, sparsely to moderately pubescent or hirsute. Blades usually erect or ascending, tending to arise from basal clumps and curl at maturity. Panicles usually greatly exceeding the blades, with a few spikelets; main branches solitary, ascending, well-separated. Spikelets 3-4.2 mm.
"decumbent" is not a number."elongated" is not a number."-11-veined" is not declared as a valid unit of measurement for this property.