Paspalum dilatatum Poir.


in Lam., Encycl. 5: 35 (1804) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Tufted rhizomatous perennial. Culms decumbent to erect, to c. 1 m high; nodes glabrous. Leaf-blades flat, to 20 cm long and 15 mm wide, glabrous and virtually smooth; sheaths of lower leaves hairy, those of upper leaves glabrous; ligules papery, obtuse, 2–8 mm long, usually with a few associated hairs. Panicle 3–20 cm long, of 2–10 semi-erect to spreading or pendulous racemes to 12 cm long. Spikelets green or purplish, ovate, acute, 2.7–3.9 mm long, paired, in four rows; lower glume not developed; upper glume 5–9-nerved, as long as spikelet, ciliate along the margin, sparsely hairy on the body; lower lemma 3–7-nerved, equal to upper glume, with ciliate margin, glabrous or subglabrous on the body; fertile lemma obtuse, slightly shorter than spikelet, slightly rounded dorsally, firm, pale, very finely striate Flowers Dec.–Jul.

*CVU, *DunT, *EGL, *EGU, *GipP, *Glep, *Gold, *GGr, *HNF, *HSF, *LoM, *MuF, *MuM, *NIS, *OtP, *OtR, *RobP, *Strz, *VAlp, *VRiv, *VVP, *WaP, *Wim. Naturalized in all States except NT, also in many temperate and tropical countries. Native to Argentina. Recognized as a valuable fodder grass, but often a weed in lawns, ditches and other low-lying areas.

Frequently infected with a fungus causing a sticky secretion which may be toxic to stock and cause dermatitis in humans.

Source: Walsh, N.G. (1994). Poaceae. 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 Poaceae
genus Paspalum
Higher taxa


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

State distribution

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