L.A.S.Johnson, Contr. New South Wales Natl. Herb. 3: 241 (1963)
T: New South Wales, Cheltenham, 23 Nov 1952, L.A.S.Johnson s.n.; holo: NSW20734; iso: CHR129318.
Perennials, 50–140 (–180) cm tall, densely caespitose; rhizome 2–3 mm diam., very short-noded. Stem leafless, terete, 0.5–2 (–2.3) mm diam., ±soft, mid-green; ridges 20–40, conspicuous; subepidermal sclerenchyma strands present, some connected to small vascular bundles; epidermis cells almost uniform; pith interrupted or occasionally continuous, of somewhat irregularly astericiform cells. Cataphylls 3–4, short, ±lax to ±tight; upper cataphylls to (4–7) –10 cm long, abaxially stramineous-brown to golden brown and dull distally, red-brown and ±glossy at base, adaxially silvery to golden brown. Inflorescence pseudolateral, 2–7 cm long, diffuse; flowers numerous, solitary, arranged in rows along slender branches. Lower bract 10–28 cm long, exceeding inflorescence, with narrow sheath. Tepals subequal, ±not appressed to capsule, ±erecto-patent, stramineous-brown; outer tepals 1.3–2 (–2.2) mm long, longer than or equalling inner ones, acute, with prominent central band and broad membranous margins; inner tepals ±obtuse to subacute, distally with very broad membranous margins. Stamens 3 (–6); anthers 0.5–0.7 mm long, about as long as 0.4–0.6 mm filaments; style c. 0.1 mm long; stigmas c. 0.5 mm long. Capsule triseptate, broadly ellipsoid to subglobose, 1.5–2 mm long, exceeding or rarely equalling perianth, slightly trigonous, obtuse, not or shortly mucronate, usually golden brown. Seeds 0.45–0.5 × c. 0.2 mm, ellipsoid, c. 12–14-striate, reticulate, yellowish brown with dark tips; appendages absent.