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Parietaria judaica - L.

Common Name Pellitory Of The Wall, Spreading pellitory
Family Urticaceae
USDA hardiness Coming soon
Known Hazards None known
Habitats Hedgebanks, cracks in rocks and dry walls[7, 17].
Range Western and southern Europe, including Britain.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Well drained soil Moist Soil Semi-shade Full sun
Parietaria judaica Pellitory Of The Wall, Spreading pellitory


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Parietaria judaica Pellitory Of The Wall, Spreading pellitory
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Summary


Physical Characteristics

 icon of manicon of flower
Parietaria judaica is a PERENNIAL growing to 0.6 m (2ft) by 0.6 m (2ft in).
It is not frost tender. It is in flower from Jun to October. The species is dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required). and are pollinated by Wind.The plant is not self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil.

Synonyms

P. officinalis. Auct non L. P. ramiflora.

Habitats

 Hedgerow; East Wall. In. West Wall. In.

Edible Uses

Edible Parts: Leaves.
Edible Uses:

Young plant - raw or cooked[2, 105]. The young shoots can be added to mixed salads[7].

Medicinal Uses



Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Cholagogue;  Demulcent;  Diuretic;  Laxative;  Refrigerant;  Vulnerary.

Pellitory of the wall has been valued for over 2,000 years for its diuretic action, as a soother of chronic coughs and as a balm for wounds and burns[254]. In European herbal medicine it is regarded as having a restorative action on the kidneys, supporting and strengthening their function[254]. The whole herb, gathered when in flower, is cholagogue, slightly demulcent, diuretic, laxative, refrigerant and vulnerary[4, 7, 61, 165, 238]. It is an efficacious remedy for kidney and bladder stones and other complaints of the urinary system such as cystitis and nephritis[4, 238, 254]. It should not be prescribed to people with hay fever or other allergic conditions[238]. The leaves can be usefully employed externally as a poultice on wounds etc[4]. They have a soothing effect on simple burns and scalds[7]. The plant is harvested when flowering and can be used fresh or dried[238].

Other Uses

Cleanser.

The whole plant is used for cleaning windows and copper containers[7].

Cultivation details

Prefers a well-drained to dry alkaline soil in full sun or semi-shade[238]. The plant grows well on drystone walls[17]. This plant is sometimes erroneously called P. officinalis. The true P. officinalis. L. is an European plant that is not found in Britain, P. judaica is its British representative[50]. The pollen of this plant is one of the earliest and most active of the hay fever allergens[7]. Dioecious. Male and female plants must be grown if seed is required.

Propagation

Seed - sow spring or autumn in a cold frame. Prick out the seedling when they are large enough to handle and plant them out in the summer. If you have sufficient seed then it can be sown in situ in autumn or spring. Division in spring. Very easy, larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Parietaria officinalisPellitory Of The Wall, Upright pellitory23

 

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Expert comment

Author

L.

Botanical References

17

Links / References

For a list of references used on this page please go here

Readers comment

zahra   Sun Nov 27 2005

very useful page but i need to know what are the chemical constituents it contain thank u

JUAN ESCABIAS   Tue Jan 29 2008

i would really appreciatte it if someone could help me, about where, all over the world, can I buy Parietaria judaica seeds? Thank you very much. JUAN. SPAIN.

Tanya Rocks   Tue Feb 3 2009

Chiltern Seeds might sell Parietaria judaica? Seems to grow well in the Brighton area of East Sussex, England. It certainly seems to like walls, fences etc. I will be trying some as food (not great at growing veg) and would appreciate any recipes.

   Apr 15 2011 12:00AM

I don't believe P. judaica is really a synonym for P. officinalis, unless something has changed. This 1968 article describes the differences: http://www.watsonia.org.uk/Wats6p365.pdf (PDF) P. judaica (known as Asthma Weed in Australia) in particular appears to be associated with asthma and skin allergies. There's video of someone putting on a mask and gloves to remove it here: http://sydneyweeds.org.au/digging-out-asthma-weed/ A scholar.google.com search comes up with references to hayfever and both species. I've eaten either P. officinalis or P. judaica (I'm not sure which) without ill effect. However because some people have allergies care should be taken.

   Feb 25 2012 12:00AM

Parietaria judaica (L., 1759) synoms: Parietaria diffusa (Mert& Koch, 1823, Parietaria ramiflora (Moensch, 1794) There is so much confusion regarding these two species, see Townsend C.C, Parietaria officinalis and P. judaica, Watsonia, 6 (6), 1968, I found it exhaustive. Parietaria j. is a spontaneous weed that grows even by cuttings. The seed are very littles and is difficult to obtain experimentaly a good result by seeding. P. judaica has a very high content in phenolics that are antioxidant products anyway you must check your tollerence as both species are allergenic (pollen and hairs) A simple way is to rub a leave on your arm and wait if it become reddened. Liliana T.

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