Cyperus exaltatus Retz.

Tall Flat-sedge

Obs. Bot. 5: 11 (1788) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Stout tussock-forming perennial. Culms trigonous, smooth, 100–180 cm high, to 8 mm diam. Leaves not septate-nodulose, as long as culms or longer, 5–15 mm wide. Inflorescence compound, with 5–10 primary branches to 18 cm long; spikes narrow-cylindric, 2–5 cm long, 0.5–1.5 cm diam.; involucral bracts leaf-like, 4–6 to 90 cm long. Spikelets flattened, numerous per spike, 4–18 mm long, 1–2 mm wide, 6–44-flowered; rachilla broadly winged, persistent; glumes obtuse, mucronate, with sides ± nerveless, yellow to dark yellow-brown, 1.5–2.0 mm long; stamens 3; style 3-fid. Nut trigonous, ellipsoid, yellow-brown, less than one-half as long as glume, 0.6–0.8 mm long, 0.3–0.5 diam. Flowers spring–summer.

CVU, Gold, HNF, MuF, MuM, MSB, NIS, RobP, VRiv, VVP. All mainland States. Asia, Africa, ?South America. In shallow water and on banks of streams and lagoons; widespread in the north, rare south of the Great Dividing Range (Bairnsdale area).

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.
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 exaltatus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Cyperus exaltatus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Murray Scroll Belt present native
Robinvale Plains present native
Murray Fans present native
Goldfields present native
Central Victorian Uplands present native
Northern Inland Slopes present native
Highlands-Northern Fall present native

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales