Paspalum intermedium

Plants perennial; shortly rhizomatous. Culms to 200 cm, erect; nodes glabrous. Sheaths glabrous; ligules 2-3 mm; blades to 57 cm long, 2-3 cm wide, flat, glabrous below, appressed pubescent above. Panicles terminal, with 60-100 racemosely arranged branches; branches 1-13 cm, divergent to spreading, often arcuate; branch axes 0.9-1.2 mm wide, winged, margins scabrous, long pubescent. Spikelets 2-2.4 mm long, 0.9-1.2 mm wide, paired, divergent to spreading from the branch axes, elliptic to ovate, glabrous or pubescent, stramineous, sometimes partially purple. Lower glumes absent; upper glumes smooth, 3-veined, margins entire, sparsely short-pubescent, at least distally; lower lemmas smooth, lacking ribs over the veins, 3-veined, margins entire, glabrous or shortly pubescent; upper florets stramineous to white. Caryopses 1.5-1.7 mm, golden brown. 2n = 20, 40.

Distribution

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• Legacy Map

Ga., La.

Discussion

Paspalum intermedium is an introduced roadside weed in the Flora region. It is found in Mexico and South America, but not in Central America (Pohl and Davidse 1994).

Selected References

None.

Lower Taxa

None.