Densely tufted, aphyllopodic, 3-8 dm; main lvs 2-4 mm, equaling or shorter than the stiff stems, their sheaths ventrally green-veined almost to the summit; spikes 3-10, gynaecandrous, stoutly fusiform, 6-15 mm, densely fld, usually well separated in an erect infl 4-8 cm, the lateral ones tapering to the base, with numerous staminate fls; pistillate scales lance-ovate, nearly or quite as long as the perigynia, but distinctly narrower, pale brown or silvery, acute; perigynia mostly appressed, flatly planoconvex, ovate, 4-5.2 mm, three-fifths as wide, sharply nerved dorsally, obscurely so ventrally, broadest about the middle of the achene, tapering to the short, flat, serrulate beak; achene lenticular, 1.5 נ1 mm. Sand or sandy soil; near the coast from Nf. to Del.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.