Parietaria officinalis

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Parietaria officinalis
Cleaned-Illustration Parietaria officinalis.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Rosales
Family: Urticaceae
Genus: Parietaria
Species: P. officinalis
Binomial name
Parietaria officinalis

Parietaria officinalis, the eastern pellitory-of-the-wall,[1] also known as upright pellitory[2] and lichwort, is a plant of the nettle family. Its leaves, however, are non-stinging. The plant grows on rubbish and on walls, hence the name.

The pollen is a cause of allergy.[3]


It was once used in the making of certain metheglins.[citation needed]


The leaves and flowers of P. officianlis contains the flavonoids kaempferol-3-bioside, the 3-glucosides and 3-rutinosides of quercetin, kaempferol and isorhamnetin, 3-sophorosides of quercetin and kaempferol and 3-neohesperosides of kaempferol and isorhamnetin.[4] They also contains caffeoylmalic and two pyrrole acids.[5]

See also[edit]

It is in a different family from Anacyclus pyrethrum, also called pellitory.


  1. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17. 
  2. ^ "Parietaria officinalis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 30 January 2016. 
  3. ^ Specific hyposensitization in patients allergic to Parietaria officinalis pollen allergen. Cvitanović S, Zekan L, Capkun V and Marusić M, Journal of Investigational Allergology & Clinical Immunology, 1994, volume 4, issue 6, pages 283-290, PMID 7735515
  4. ^ Flavonoids of Parietaria officinalis. J. Budzianowki, L. Skrzypczak and D. Walkowiak, J. Nat. Prod., 1985, 48 (2), pages 336–337, doi:10.1021/np50038a033
  5. ^ Caffeoylmalic and two pyrrole acids from Parietaria officinalis. Jaromir Budzianowski, Phytochemistry, 1990, Volume 29, Issue 10, pages 3299–3301, doi:10.1016/0031-9422(90)80203-S
  1. "w19 Wall pellitory (officinalis), Allergy information". Phadia AB. 2002. Archived from the original on 2006-05-23. Retrieved 2006-07-08. 

External links[edit]