Glabrous; rhizome 1/6 in. in diam., horizontal; stems 12-18 in. long, tufted, slender, terete, with several leaf-nearing nodes between the lowest bract and the basal leaves; basal leaf sheaths brown, much fimbriate; basal leaves 2-5 in. long setaceous; stem leaves similar, but shorter, from tight cylindric black sheaths; panicle 4-8 in. long, slender, lax, with capillary branches; bracts like the stem-leaves, much shorter than the panicle; spikelets few solitary 1/6 in. long, lanceolate; glumes pale, ovate-lanceolate, microscopically scabrous; style 3-fid.
Tufted perennial, 30-80 cm. Spikelets light grey-brown.