Parietaria judaica L.

Wall Pellitory

Sp. Pl., edn 2, 1492 (1763) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Perennial herb, 20–80 cm tall, woody; stems erect, densely covered in hooked hairs and scattered glandular and curved hairs. Leaf-lamina lanceolate, elliptic, ovate or rhombic, usually to 2.6 cm long and 9 mm wide, midrib dividing into 3; base cuneate to narrowly cuneate; apex mostly apiculate, sometimes obtuse, midrib divided into 3. Inflorescence a 3(rarely 5)-flowered cyme; central flower female; lateral flowers bisexual; common subtending bracts 7, united in basal third to half, forming campanulate involucre, a very delicate reticulate venation visible; perianth c. 2 mm long in female flowers, 3–3.5 mm long in bisexual flower; stigma on a long style. Achene c. 1.2 mm long, c. 0.8 mm wide, distinctly asymmetric, hard, not crushed or crumbled; apiculum absent. Flowers Oct.–Apr.

*CVU, *GipP, *Gold, *VVP, *WaP. Also naturalised WA, SA, Qld, NSW, Tas. Native in western Asia and southern Europe. Naturalised in New Zealand, North and South America. A weed predominantly in urban areas, where locally common in paths, walls, wasteland, and rocky areas in degraded creeks.

Leaf shape is quite variable between plants but relatively consistent within individuals: leaves range from almost lanceolate and generally small, to large and rhombic, even occasionally ovate (the latter similar to those of P. debilis).

Source: Gebauer, R. (1996). Parietaria. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-04-17
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Rosales
family Urticaceae
genus Parietaria
Higher taxa


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

State distribution

Distribution map
Western Australia
South Australia
New South Wales