Polygonum aviculare L.

Hogweed

Sp. Pl. 362 (1753) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Decumbent or prostrate annual, to c. 1.2 m diam. Ochreas 4–12 mm long, soon disintegrating. Lower leaves lanceolate to narrowly elliptic, 20–50 mm long, 5–18 mm wide, persisting until well after anthesis, margins flat or undulate, lateral veins obvious; leaves of lateral branches smaller than those of main stem(s). Flowers 1–5 in axillary clusters; perianth 2.5–3.5 mm long, the segments united for c. one-third their length, greenish with pink or white margins. Fruiting perianth not or barely enlarged. Nut with 3 more or less equal flat or concave faces, 2–3 mm long, dark brown, minutely roughened. Flowers mostly Dec.–May.

*CVU, *DunT, *EGU, *GipP, *Glep, *Gold, *GGr, *HNF, *HSF, *LoM, *MuF, *MuM, *MSB, *NIS, *OtP, *OtR, *RobP, *Strz, *VAlp, *VRiv, *VVP, *WaP, *Wim. Also naturalised WA, SA, Qld, NSW, Tas. Native to Europe, widely naturalised elsewhere. An occasional weed of pavements, roadsides, paddocks etc. almost throughout the State.

Source: Walsh, N.G. (1996). Polygonaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Daniel Ohlsen, 2017-06-06
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Caryophyllanae
family Polygonaceae
genus Polygonum
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Polygonum aviculare in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Polygonum aviculare 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
Murray Scroll Belt 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 introduced
Dundas Tablelands present naturalised
Northern Inland Slopes present naturalised
East Gippsland Uplands present naturalised
Highlands-Southern Fall present naturalised
Highlands-Northern Fall present naturalised
Otway Ranges present introduced
Strzelecki Ranges present naturalised
Victorian Alps present naturalised

State distribution

Distribution map
State
Western Australia
Northern Territory
South Australia
Queensland
New South Wales
Australian Capital Territory
Victoria
Tasmania