Cyperus squarrosus L.

Cent. Pl. 2: 6 (1756) APNI

Taxonomic status:Accepted

Occurrence status:Extinct

Establishment means:Native

Threat status:Victoria: extinct (x)

Dwarf tufted annual, curry-scented when dried. Culms triquetrous, smooth, 2–15 cm high, to 1.5 mm diam. Leaves not septate-nodulose, as long as culms or shorter, to 2 mm wide. Inflorescence simple with 1–5 branches to 4 cm long, or head-like; spikes or subdigitate clusters oblong-ovoid to globose, to 2 cm diam.; involucral bracts leaf-like, 1 or 2 exceeding inflorescence. Spikelets flattened, numerous per cluster, 4–14 mm long, 2–4 mm wide in side view, 4–30-flowered; rachilla not winged; spikelet mostly falling as unit; glumes acuminate, long-mucronate, with sides 2–4-nerved, hyaline, yellow-brown to red-brown, 1–2.5 mm long (excluding mucro to 1 mm long); stamen 1; style 3-fid. Nut trigonous, narrow-obovoid to linear, red-brown to blackish, one-third to two-thirds as long as body of glume, 0.6–1 mm long, 0.2–0.5 mm diam. Flowers spring–summer.

Also WA, NT, SA, Qld, NSW. Pantropical. Known in Victoria only from collections made in the vicinity of Little Desert in 1895 and apparently now extinct 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, 2019-02-13
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 squarrosus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Cyperus squarrosus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Robinvale Plains extinct native

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales