Persicaria maculosa Gray


Nat. Arr. Brit. Pl. 2: 269 (1821) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Decumbent to erect annual (rarely perennial) to c. 60 cm high, stems glabrous or with a few short, scattered, subappressed hairs. Ochreas ciliate at apex, usually with short appressed hairs on sheath. Leaves lanceolate, 3–15 cm long, 4–25 mm wide, often with a dark purplish blotch about midway on upper surface, margins and main veins (and often lamina) with short antrorsely appressed bristles, usually with raised glands or tubercles on lower surface; petiole to c. 1 cm long. Spikes ovoid to broadly cylindric, mostly 1–3 cm long, 7–10 mm diam., more or less erect; peduncle c. 1–4 cm long; perianth segments 2–3.5 mm long, pink, sometimes pale, free for about two-thirds their length. Nut broadly ovate, flattish, weakly biconvex, or trigonous, 2–2.5 mm long and almost as wide, smooth and shining, blackish. Flowers Jan.–May.

*CVU, *EGL, *EGU, *GipP, *Glep, *Gold, *HNF, *HSF, *NIS, *Strz, *VRiv, *VVP. Also naturalised WA, SA, NSW, ACT, Tas. Native to Europe. Rather uncommon, mainly in southern Victoria, along watercourses or in depressions, usually in altered, often weedy, vegetation (e.g. Portland, Camperdown, outer Melbourne, Maffra, Briagolong, Cann River).

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: Val Stajsic, 2018-12-19
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Caryophyllanae
family Polygonaceae
genus Persicaria
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Persicaria maculosa in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Persicaria maculosa in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Glenelg Plain present introduced
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Gippsland Plain present naturalised
Goldfields present naturalised
Central Victorian Uplands 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
Strzelecki Ranges present naturalised

State distribution

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