Polygonum aviculare L.


Prostrate, spreading, wiry weed often rooting at the joints. Leaves narrowly ovate or elliptic 1.5-4 cm long, 0.5-1.5 cm wide, 4-5 times longer than wide, tip pointed, branch leaves about half the size of stem leaves. Perianth 3-4 mm long, cut to about two thirds its length; summer and autumn. Nut dark brown 1.5-1.8 mm long.


A weed of waste places and open ground.


P. arenastrum Boreau, Hogweed or Wireweed, is similar but less common; it has all leaves of the same size and the perianth divided for about half its length and tapering gradually (not abruptly) at the base.

Source: Spencer, R. (1997). Polygonaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.

Hero image
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Caryophyllanae
order      Caryophyllales
family       Polygonaceae
genus        Polygonum L.