Cyathochaeta diandra

Tuft-forming perennial. Culms ± compressed, glabrous, smooth, 1-noded, to 60 cm long, 1.5–2.5 mm diam. Leaves rigid, flattened variously to channelled or triangular, often twisted, shorter than to exceeding culm; sheath pale yellow-brown to dark red-brown, fibrous remains persistent. Inflorescence to 80 cm long, to twice as long as culm. Spikelets c. 15 mm long; glumes 3 or 4, the lowest glume sterile and shorter than fertile upper glumes, yellow-brown to dark red-brown, glabrous, long-acute to mucronate, upper glumes 14–15 mm long; hypogynous bristles c. half length of body of nut; anthers 6–8 mm long, with apical appendage 0.2–0.3 mm long. Nut narrow-oblong, pale brown, often scabrous on margins, body c. 7 mm long, style-base c. 8 mm long Flowers spring.