T: New South Wales, North Western Plains, Werah Creek, Wee Waa to Cuttabri, 19 Dec 1966, L.A.S.Johnson s.n.; holo: NSW94671; iso: BRI, CANB, CHR, K.
Perennials, 75–155 cm tall, dioecious; rhizome very short-noded; stems densely tufted. Stem leafless, terete, 1.5–3 mm diam., ±soft, yellow-green; ridges 35–60, not very distinct; dorsal cells not enlarged; stomata sunken; pith continuous above, often interrupted below, of astericiform cells. Cataphylls usually 3; upper cataphylls 12–28 cm long, lax, abaxially dull dark stramineous, dark yellow-brown or occasionally dark red-brown and glossy at base, adaxially golden brown, ±glossy. Lower bract 8–32 cm long, exceeding inflorescence; sheath slightly dilated. Inflorescence 5–10 cm long, diffuse; flowers numerous, solitary. Bracteoles narrowly ovate, to c. 0.7 mm long, scarious-stramineous. Outer tepals 1.5–2.5 mm long, longer than or equalling inner ones, all acute to acuminate, stramineous-brown or occasionally red-tinged, with broad membranous to yellowish margins. Stamens 6; anthers 0.6–0.9 mm long, much longer than 0.2–0.4 mm filaments; female flowers with 6 staminodes; style c. 0.1 mm long; stigmas to c. 0.3 mm long. Capsule triseptate, ellipsoid to obovoid, c. 1.7–2.2 mm long, shorter than or slightly exceeding perianth, obtuse, not or shortly mucronate, golden brown, shining. Seeds ellipsoid-ovoid, 0.4–0.5 mm long, striate and reticulate; appendages absent.