Panicum volutans J.G.Anderson

Loosely tufted annual to 750 mm high; erect to decumbent; culm nodes hairy; rooting at nodes. Leaf blade 230 x 0.5-10.0 mm, expanded, hispid with bulbous-based hairs. Inflorescence large 400 x 250 mm, open; spreading, rigidly branched; branches naked for long distance before the 1-3 spikelets at apex; extends beyond tip of upper most leaf, but base is often enclosed in uppermost leaf; lowest primary branches whorled. Spikelet (5.5-)6.0-6.5(-7.0) mm long, long-acuminate, glabrous; lower glume usually more than half as to nearly as long as spikelet, distinctly 3-nerved; upper glume as long as to longer than spikelet, 7-9-nerved; lower floret sterile, lemma 7-nerved, palea reduced, conspicuously shorter than lemma; upper lemma yellowish grey, nerves very conspicuous, smooth, shiny; anthers 1.5 mm long.