Gahnia trifida

Tussock-forming perennial. Culms 55–100 cm high, c. 4 mm diam. Leaf-blades flat to inrolled, spreading, scabrous, longer than or equalling inflorescence; ligule narrow, chartaceous; sheath dark brown to black, dull. Inflorescence narrow, erect, 30–70 cm long, with 5–8 nodes. Spikelets 1(–2)-flowered; glumes 4–7, the 2 or 3 lowest shorter than the upper, scaberulous, with long- to short-mucronate apex; stamens 4–6; anthers 1.3–2 mm long excluding appendage 0.5 mm long. Nut oblong to narrow-obovoid, rarely to narrow-ellipsoid, trigonous, ± smooth, reticulate, shining, 2.0–2.6 mm long, 0.8–1.0 mm diam., grey to black (a thin white covering sloughs off with age). Flowers spring.