Plants perennial; cespitose. Culms 23-125 cm, erect; nodes glabrous
or pubescent. Sheaths glabrous or pubescent; ligules 0.6-1.9 mm;
blades to 38 cm long, 4-18 mm wide, flat, glabrous or pubescent, dark green.
Panicles terminal, with 1-3(4) racemosely arranged branches; branches
2.3-13.4 cm, erect to divergent, terminating in a spikelet; branch axes
0.2-1 mm wide, glabrous, margins scabrous. Spikelets 2.1-3.3 mm long, 1.3-1.6
mm wide, paired, imbricate, appressed to the branch axes, elliptic to obovate,
stramineous to brown. Lower glumes 0.4-1.2(1.8) mm, stramineous to brown;
upper glumes with papillose-based short pubescence, 3- or 5-veined, margins
entire, lower lemmas with papillose-based short pubescence, lacking ribs
over the veins, 3-veined, margins entire; upper florets light stramineous.
Caryopses 1.3-1.5 mm, light to dark brown. 2n = 40, 60.
Paspalum langei is native from Texas to Florida, and extends through Mexico
to Venezuela and the Antilles. It grows at the edges of moist woods and in disturbed
areas.
