Gahnia subaequiglumis

Tufted perennial. Culms 30–60 cm high, 3–5 mm diam. Leaf-blades flat, erect to spreading, scabrous, about as long as inflorescence; ligules narrow, chartaceous; sheaths brown, dull. Inflorescence narrow, erect, 20–40 cm long, with 10–12 nodes. Spikelets 2-flowered; glumes 6–7, the uppermost glume much shorter than others, dark brown to black, scaberulous, with apex long- to short-mucronate; stamens 3 or 4; anthers 1.7–2.3 mm long excluding apical appendage c. 0.2 mm long. Nut narrow-ellipsoid to ellipsoid, trigonous or rarely 4-angled, reticulate, shining, 4.0–4.5 mm long, 1.5–2.0 mm diam., red. Flowers spring–summer.