T: Australia, E Victoria, Princess Highway W of Providence Ponds, 22 Jan 1957, N.A.Wakefield 4873; holo: MEL.
Perennials, 30–90 cm tall; rhizome short-creeping, short-noded; stems densely tufted. Stem leafless, terete, 0.5–1.5 (–2.2) mm diam., hard, grey-green; ridges 10–20 (–40), distinct, prominent; dorsal cells ±not enlarged; subepidermal sclerenchyma strands present; pith very finely irregularly interrupted, of astericiform cells. Cataphylls 2–3, ±tight, abaxially stramineous-brown distally, dark yellow-brown, slightly glossy at base, adaxially silvery-stramineous and glossy. Lower bract 5–20 cm long, exceeding inflorescence; sheath narrow. Inflorescence 1–7 (–13) cm long, diffuse; flowers numerous, solitary or loosely to densely clustered. Bracteoles ovate, to c. 1 mm long, scarious. Tepals ±equal, stramineous-brown, occasionally red-tinged, with broad membranous margins; outer tepals 2–4 mm long, sometimes slightly longer, acute to acuminate; inner tepals acute to subacute and mucronate. Stamens 3–6; anthers 0.7–0.9 mm long; filaments 0.5–0.8 mm long; style c. 0.1 mm long; stigmas to c. 0.5 mm long. Capsule triseptate, ovoid to ellipsoid, 2.2–2.8 mm long, exceeding or shorter than perianth, obtuse, rarely to subacute, not or shortly mucronate, golden-brown or dark golden-brown to red-brown at apex. Seeds ±broadly ovoid, c. 0.3–0.35 × c. 0.2 mm, apiculate, c. 14–18-striate, densely reticulate, pale brown; appendages absent.