Cyperus subulatus R.Br.

Prodr. 217 (1810) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: vulnerable (v)

Tufted perennial with very short rhizome. Culms trigonous, smooth, slightly swollen at base, to 50 cm high, 1.5 mm diam. Leaves not septate-nodulose, often as long as culms, 1–2 mm wide. Inflorescence simple, with 3–5 branches to 8 cm long; clusters spicate to subdigitate, broad-cylindric to obovoid, to c. 1 cm long, c. 5 cm diam.; involucral bracts leaf-like, 2 longer than inflorescence. Spikelets somewhat flattened, 6–20 per spike, 8–30 mm long, 1–1.5 mm wide inside view, 5–16-flowered; rachilla broadly winged, persistent, or spikelet felling as unit; glumes rather remote, somewhat appressed, with sides 1–3-nerved near keel, greenish tinged red-brown, 2.5–3.5 mm long; stamens 3; style 3-fid. Nut trigonous, narrow-obovoid to ellipsoid, yellow-brown to blackish, c. one-half as long as glume, 1.2–1.7 mm long, 0.5–0.7 mm diam. Flowers spring–summer.

MuM, Wim. Also Qld, NSW. Rare in Victoria, recorded in recent times only from seasonally inundated areas in the Jeparit and Natimuk areas (pre-1900 records exist from the Dimboola area).

The typical form of this species, found on the coast of Qld and NSW, is tall (to 50 cm), with glumes 2.8–3.5 mm long and mostly red-tinged, and nuts 1.5–1.7 mm long and c. 0.7 mm diam. The plants found in inland Victoria, Qld and NSW are smaller (culms to 25 cm high), with glumes c. 2.5 mm long and often with little or no reddish tinge, and nut c. 1.2 mm long, c. 0.5 mm diam. They may represent a separate taxon.

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.
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 subulatus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Cyperus subulatus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present native
Wimmera present native

State distribution

Distribution map
New South Wales