Gahnia microstachya Benth.

Slender Saw-sedge

Fl. Austral. 7: 414 (1878) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: rare (r)

Tufted perennial. Culms slender, 20–45 cm high, 1–2 mm wide. Leaf-blades filiform and channelled or flat, erect, scabrous, about as long as culm; ligules narrow-chartaceous with upper margin erose or minutely hairy; sheaths red-brown to very dark brown, dull. Inflorescence slender, erect, 20–60 cm long, with c. 8 nodes. Spikelets 2-flowered; glumes 6–9, similar in size, long-mucronate, red-brown to dark grey-brown, scabrous at least on midrib; stamens 3 or 4; anthers c. 1.3 mm long excluding appendage 0.2 mm long. Nut oblong to narrow-ellipsoid, trigonous, granulate, glistening, 1.5–2.5 mm long, 0.8–1.0 mm diam., dark grey-brown. Flowers spring–summer.

CVU, DunT, EGU, GipP, GGr, HSF, VAlp, Wim. Also NSW, Tas. In exposed, often rocky situations in drier open-forest and woodland, uncommon and scattered (Grampians, Lerderderg Gorge, catchments of the Avon, Macalister and Snowy Rivers).

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, 2019-05-23
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 microstachya in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Gahnia microstachya in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Wimmera present native
Gippsland Plain present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
East Gippsland Uplands present native
Highlands-Southern Fall present native
Victorian Alps present native

State distribution

Distribution map
New South Wales