Paspalum setaceum var. rigidifolium
Plants erect to spreading. Leaves mostly cauline; blades to 30 cm long, 2.4-6.1 mm wide, conspicuously rigid, stiff, pubescent adaxially, glabrous or sparsely pubes¬cent abaxially, margins sometimes ciliate. Panicle branches 4.8-11.3 cm; branch axes 0.7-1.1 mm wide. Spikelets 2-2.6 mm long, 1.6-1.8 mm wide, obovate to ovate, pubescent, sometimes sparsely so; lower lemmas with or without an evident midvein; upper florets 2-2.4 mm.
"decumbent" is not a number."elongated" is not a number.