Cyperus lucidus R.Br.

Leafy Flat-sedge

Prodr. 218 (1810) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Robust tussock-forming perennial with short thick rhizome. Culms 30–150 cm high, trigonous, smooth, to 10 mm diam. Leaves strongly septate-nodulose, often longer than culms, 5–40 mm wide. Inflorescence compound with 6–10 primary branches to 20 cm long; spikes ovoid to cylindric, 1–3 cm long and diam.; involucral bracts leaf-like, 5–10 much exceeding inflorescence, to 150 cm long. Spikelets terete to flattened, numerous per spike, 4–20 mm long, 1–2.5 mm wide in side view, 4–10-flowered; rachilla broadly winged; spikelet falling as unit; glumes acute, with sides 2–4-nerved, red-brown, 4–6.5 mm long; stamens 3; style 3-fid. Nut trigonous, very narrow-ellipsoid, dark grey-brown to blackish, c. two-thirds as long as glume, 2.5–3 mm long, c. 0.7 mm diam. Flowers spring–summer.

CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HNF, HSF, MonT, MuM, NIS, OtP, OtR, Strz, VAlp, VRiv, VVP, WaP, WPro, Wim. All States (including Lord Howe Is.) except WA, NT, Norfolk Is. New Guinea. In swamps and on stream-banks in the southern part of the State (rare in Volcanic Plains), often tolerating considerable shade; the commonest native Cyperus in the State.

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: Val Stajsic, 2021-01-08
Hero image
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 lucidus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Cyperus lucidus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Gippsland Plain present native
Otway Plain present native
Warrnambool Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Otway Ranges present native
Strzelecki Ranges present native
Monaro Tablelands present native
Victorian Alps present native

State distribution

Distribution map
South Australia
New South Wales
Australian Capital Territory