Parietaria officinalis

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Parietaria officinalis
Cleaned-Illustration Parietaria officinalis.jpg
Scientific classification
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. officinalis 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 contain 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 2014-10-23. Retrieved 2014-10-17.
  2. ^ "Parietaria officinalis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 30 January 2016.
  3. ^ Cvitanović S, Zekan L, Capkun V, Marusić M (1994). "Specific hyposensitization in patients allergic to Parietaria officinalis pollen allergen". J Investig Allergol Clin Immunol. 4 (6): 283–290. PMID 7735515.
  4. ^ Budzianowki, J.; Skrzypczak, L.; Walkowiak, D. (1985). "Flavonoids of Parietaria officinalis". J. Nat. Prod. 48 (2): 336–7. doi:10.1021/np50038a033.
  5. ^ Budzianowski, Jaromir (1990). "Caffeoylmalic and two pyrrole acids from Parietaria officinalis". Phytochemistry. 29 (10): 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]