Australian Tropical Rainforest Plants - Online edition

Cyperus enervis R.Br.

Click/tap on images to enlarge
Herbarium specimen. © CSIRO

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.


Nut pale brown to reddish brown, trigonous, ellipsoid to slightly obovoid, testa minutely papillate to smooth, style base thickened, length of the glume.


Features not available.

Distribution and Ecology

Occurs in CYP, NEQ, CEQ and south to NSW. Altitudinal range from near sea level to 980 m. Grows in rainforest, notophyll vine forest, various types of woodland and occasionally in grassland.

Cyperus gracilis var. enervis (R.Br.) Kuk., Das Pflanzenreich 101: 297(1936).
RFK Code
Copyright © CSIRO 2020, all rights reserved.