Isolepis inundata R.Br.

Prodr. 222 (1810) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Slender tufted or shortly rhizomatous perennial, often proliferating from the inflorescence. Culms 5–50 cm high, to 1.5 mm diam. Leaves reduced, or blade to 15 mm long. Inflorescence often  proliferating. Spikelets 3–20 per inflorescence or rarely a solitary spikelet, 2–6 mm long; involucral bract equalling or exceeding spikelets, to 1.5 cm long; glumes obtuse to subacute, with sides irregularly 2–5-nerved, straw-coloured with often extensive dark red-brown to blackish patches on sides, 1.2–2 mm long; stamens 1 or rarely 2; style usually 3-fid. Nut unequally trigonous or rarely biconvex, angles well-defined, broad-obovoid to obovoid or broad-ellipsoid, minutely reticulate to minutely verrucose, glistening, pale yellow to pale red-brown, from one-half to two-thirds as long as glume, 0.7–1 mm long, 0.5–1.2 mm diam Flowers spring–summer.

CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HFE, HNF, HSF, LoM, MonT, MuF, MuM, NIS, OtP, OtR, SnM, Strz, VAlp, VRiv, VVP, WaP, WPro, Wim. All States except NT. New Zealand, Malesia, South America. A variable and adaptable species, occurring from brackish swamps near sea-level to shaded mountain gullies, mostly in the southern half of 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, 2017-11-14
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Cyperaceae
genus Isolepis
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Isolepis inundata in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Isolepis inundata in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Murray Fans present native
Gippsland Plain present native
Otway Plain present native
Warrnambool Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Otway Ranges present native
Strzelecki Ranges present native
Monaro Tablelands present native
Highlands-Far East present native
Victorian Alps present native
Snowy Mountains present native

State distribution

Distribution map
Western Australia
South Australia
New South Wales
Australian Capital Territory