T: New South Wales, Central Coast, 1 mile W of Warnervale, 12 Apr 1964, L.A.S.Johnson; holo: NSW; iso: BRI, CHR, K.
Perennials, 100–175 cm tall; rhizome stout, creeping, short-noded; stems in dense groups. Stem leafless, terete, 2–4 mm diam., soft, mid-green; ridges 38–70, not distinct, slightly prominent; dorsal cells not enlarged; pith very interrupted, of astericiform cells. Cataphylls few, 14–27 cm long, tight, abaxially yellow-brown and ±dull distally, deep pink-brown to blackish and slightly glossy or not so at base, adaxially silvery to coppery. Lower bract 15–30 cm long, exceeding inflorescence; sheath narrow to slightly dilated. Inflorescence 7–15 cm long, diffuse; flowers numerous, solitary to loosely clustered. Bracteoles ovate, to c. 0.7 mm long, scarious. Outer tepals 1.7–2.2 mm long, longer than or equalling inner ones, all acute or outer ones acuminate, stramineous-brown with broad membranous margins. Stamens 3 (–6); anthers 0.4–0.7 mm long, usually equalling or longer than 0.4–0.5 mm filaments; style c. 0.1 mm long; stigmas to c. 0.5 mm long. Capsule triseptate, ovoid to obovoid, 1.9–2.3 mm long, exceeding perianth, obtuse, not or shortly mucronate, light to dark golden brown. Seeds 0.4–0.6 × 0.2–0.25 mm, apiculate, pale brown, striate and reticulate; appendages absent.