Gahnia grandis

Robust tussock-forming perennial. Culms stout, often basally sprawling for 1–2 m, 1–3 m high, 2–10 mm diam. Leaf-blades flat, spreading, scabrous, as long as culm; ligules narrow, chartaceous; sheaths brown, dull with some shining patches. Inflorescence erect or somewhat spreading, 50–100 cm long, with 6–10 nodes. Spikelets 2-flowered; glumes 10–17, the lowest 8–12 much shorter than those above and erose or 3-fid, brown to dark grey-brown, minutely scabrous, upper glumes with acute to obtuse apex; stamens 4–6; anthers 2.0–3 mm long excluding apical appendage 0.4–0.7 mm long. Nut oblong to ellipsoid, terete, smooth, reticulate, shining, 3.0–4.5 mm long, 1.2–1.9 mm diam., red-brown to dark brown or orange-brown. Brickmakers Sedge. Flowers spring–summer.