Culms to 110 cm. Ligules 0.6-1 mm; blades 5-9 mm wide. Glumes
exceeding the florets, linear to narrowly lanceolate; lemmas 0.9-1.2 mm,
glabrous or sparsely sericeous along the veins. Caryopses 0.8-0.9 mm, without
a ventral groove, sometimes coarsely rugose, apices broadly obtuse. 2n
Leptochloa panicea subsp. mucronata grows in the southern portion
of the United States, primarily from Kansas and Missouri through Texas and Louisiana.