Parietaria officinalis

"Pellitory-of-the-wall" redirects here. For the common urban weed also called spreading pellitory, see Parietaria judaica.

Parietaria officinalis
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Rosales
Family:	Urticaceae
Genus:	Parietaria
Species:	P. officinalis
Binomial name
Parietaria officinalis L.

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]

Uses

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

Chemistry

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

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

References

1. BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
2. NRCS. "Parietaria officinalis". PLANTS Database. United States Department of Agriculture (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. Bibcode:1990PChem..29.3299B. 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

• "Pellitory"  . Encyclopædia Britannica (11th ed.). 1911.