Cyperus nervulosus (Kük.) S.T.Blake

Proc. Roy. Soc. Queensland 51: 41 (1940) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: endangered (e); listed in Flora and Fauna Guarantee Act 1988

Dwarf tufted annual. Culms trigonous, smooth, to 20 cm high, to 1 mm diam. Leaves not septate-nodulose, as long as culms or much shorter, to 2 mm wide. Inflorescence simple, of 2–6 branches to 6 cm long, or head-like; spikes short, broad-ovoid, to 4 cm diam.; involucral bracts leaf-like, 2–4 exceeding inflorescence. Spikelets flattened, 5–20 per spike, 5–20 mm long, 2–3 mm wide in side view, 6–54-flowered; rachilla not or scarcely winged, persistent; glumes obtuse, with excurved mucro to 0.7 mm long, with keel 3–5-nerved, sides hyaline, pale yellow- to red brown, 2–2.5 mm long (excluding mucro); stamens 2; stigmas 2. Nut biconvex, elliptic, from one-third to one-half as long as glume body, 0.5–0.8 mm long, 0.3–0.5 mm wide, grey to blackish, colliculate, patterned in fine longitudinal rows,. Flowers spring–summer.

MuM, RobP. Also WA, NT, Qld. New Guinea. Apparently confined in Victoria to the far north-west (Mildura, Hattah Lakes, Robinvale) where occasional on damp sandy soil fringing receding water in lakes and watercourses.

Source: Wilson, K.L. (1994). Cyperaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Neville Walsh, 2017-09-25
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Cyperaceae
genus Cyperus
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Cyperus nervulosus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Cyperus nervulosus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present native
Robinvale Plains present native

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales