Cyperus enervis R.Br.
Brown, R. (1810) Prodromus Florae Novae Hollandiae : 213.
Densely tufted perennial with short rhizome and 4-angled stems 10-50 cm tall.
Leaves filiform, 0.4-1.0 mm wide, shorter than the inflorescence.
Inflorescence simple terminal spikes. Involucral bracts 3-4 with the lower one very long and erect, 0.3 mm wide. Spikes ovoid up to 2.5 cm long and wide. Spikelets 2-14, flattened, oblong-linear in outline, acute, 0.5-1.5 x ca. 0.2 cm; up to 32-flowered, rachilla wingless; glumes 1.8-2 mm long, 2-3 nerved with whitish sides, acute.
Features not available.