T: Australia, Cumberland Falls road turnoff from Lake Mountain road, east of Marysville on Main Divide, 24 Apr 1973, L.A.S.Johnson 7672a; holo: NSW; iso: MEL.
Perennials, 45–160 cm tall, with creeping rhizome. Stem leafless, 1.5–4 mm thick, hard, mid-green, not glaucous; ridges 37–60 (–80), prominent; cells on ridges ±radially enlarged; stomata superficial; subepidermal sclerenchyma strands present, forming radial lamellae; pith continuous, of astericiform cells. Cataphylls 3–4, with upper ones (10–) 12–25 cm long, lax, abaxially yellow-brown to dark red-brown or black towards base, adaxially coppery to golden brown. Lower bract 3–18 (–30) cm long, exceeding or shorter than inflorescence, with narrow sheath. Inflorescence pseudolateral, 2–11 cm long, diffuse, often with some branches reflexed; flowers numerous, loosely to densely clustered or solitary. Outer tepals 1.5–3 mm long, longer than or equalling inner, all stramineous-brown with narrow to broad membranous margins. Stamens 3. Capsule 2–2.2 mm long, shorter than to exceeding outer tepals, obovoid to ovoid, obtuse to subacute, not or shortly mucronate, golden brown or occasionally red-brown near apex.