Perennial with a thickened vertical caudex clothed by persistent leaf-bases, the resulting fire-resistant structure often 6 cm. long and 3 cm. thick; culms 4-12, borne at the apex of the caudex; leaves capillary to filiform, flattened, often re-curved, shorter than or equaling the culms, the sheaths densely lanate, 4-10 cm. high, thickened, striate; inflorescence a single terminal obovate spikelet 7-10 mm. long, 5 mm. wide, becoming broader at maturity by expansion of the perianth-like outer involucral bracts; scales lanceolate, rigid, long-cuspidate, lanate-fimbriate; mature achenes obovate to pyriform, obtusely trigonous, 1.5 mm. long, dark brown, undulate; tubercle dark brown, depressed-conic.
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