Gahnia grandis (Labill.) S.T.Blake

Brickmakers Sedge

Contr. Queensland Herb. 8: 33 (1969) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: vulnerable (v)

Robust tussock-forming perennial. Culms stout, often basally sprawling for 1–2 m, 1–3 m high, 2–10 mm diam. Leaf-blades flat, spreading, scabrous, as long as culm; ligules narrow, chartaceous; sheaths brown, dull with some shining patches. Inflorescence erect or somewhat spreading, 50–100 cm long, with 6–10 nodes. Spikelets 2-flowered; glumes 10–17, the lowest 8–12 much shorter than those above and erose or 3-fid, brown to dark grey-brown, minutely scabrous, upper glumes with acute to obtuse apex; stamens 4–6; anthers 2.0–3 mm long excluding apical appendage 0.4–0.7 mm long. Nut oblong to ellipsoid, terete, smooth, reticulate, shining, 3.0–4.5 mm long, 1.2–1.9 mm diam., red-brown to dark brown or orange-brown. Brickmakers Sedge. Flowers spring–summer.

GipP, HSF, WPro. Found in damp shaded sites beside streams and swamps, but recorded in Victoria only from Gembrook-Beenak area and the northern part of Wilsons Promontory.

The style is 3–5-fid in G. grandis, and 3-fid in all other Victorian species.

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 Gahnia
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Gahnia grandis in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Gahnia grandis in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Gippsland Plain present native
Wilsons Promontory present native
Highlands-Southern Fall present native

State distribution

Distribution map
Western Australia
New South Wales