Perennial; culms slender, widely decumbent-spreading, branching, the nodes pubescent, rooting at the lower nodes, the internodes usually rather short; sheaths shorter than the internodes, glabrous, the margins ciliate; ligule about 0.3 mm. long, membranaceous, erose; blades rather thin, cordate, mostly 5-8 cm. long, 5-10 mm. (rarely 15 mm.) wide, glabrous or sparsely pilose; panicles 6-15 cm. long, the usually numerous branches ascending, the branchlets appressed or spread-ing, mostly on the lower side of the branches; spikelets 1.5 mm. long, glabrous.
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