T: New South Wales, North Western Slopes, Ulinda Railway Station, c. 9 miles [15 km] SE of Binnaway, 7 Apr 1970, L.A.S.Johnson & J.Pickard; holo: NSW105133; iso: BRI, CHR, K, MO, NY.
Perennials, 50–125 cm tall; rhizome stout, creeping, short-noded; stems in dense groups or rows. Stem leafless, terete, 1.5–2.5 mm diam., ±hard, mid-green to grey-green, subglaucous; ridges 35–55, distinct; pith interrupted, of astericiform cells. Cataphylls few, usually 3–4; upper cataphylls 7–17 cm long, ±lax, abaxially dull dark yellow-brown distally, red-brown or occasionally blackish and ±glossy at base, adaxially silvery to pale golden brown. Lower bract 10–22 cm long, exceeding inflorescence; sheath narrow. Inflorescence 4–10 (–15) cm long, diffuse; flowers numerous, loosely to densely clustered. Bracteoles ovate, to c. 1 mm long, scarious. Outer tepals 1.8–2.5 mm long, longer than or equalling inner ones, all acute to acuminate, stramineous-brown with broad membranous margins. Stamens 3; anthers (0.3–) 0.4–0.8 mm long; filaments c. 0.5–0.6 mm long; style c. 0.1 mm long; stigmas to c. 0.5 mm long. Capsule triseptate, obovoid to ellipsoid, c. 1.8–2.5 mm long, exceeding or rarely equalling perianth, acutish to obtuse, not or shortly mucronate, golden brown, shining. Seeds ovoid, 0.3–0.4 (–0.5) × c. 0.2 mm, apiculate, c. 15–20-striate, densely reticulate, pale brown; appendages absent.