a difficult or awkward situation; "his back was to the wall"; "competition was pushing them to the wall"
a layer of material that encloses space; "the walls of the cylinder were perforated"; "the containers walls were blue"
a masonry fence (as around an estate or garden); "the wall followed the road"; "he ducked behind the garden wall and waited"
an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure; "the south wall had a small window"; "the walls were covered with pictures"
(anatomy) a layer (a lining or membrane) that encloses a structure; "stomach walls" (同)paries
a vertical (or almost vertical) smooth rock face (as of a cave or mountain)
anything that suggests a wall in structure or function or effect; "a wall of water"; "a wall of smoke"; "a wall of prejudice"; "negotiations ran into a brick wall"
a small Mediterranean plant containing a volatile oil once used to relieve toothache (同)pellitory-of-Spain, Anacyclus pyrethrum
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]
Contents
1Uses
2Chemistry
3See also
4References
5External links
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
^"BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2014-10-23. Retrieved 2014-10-17.
^"Parietaria officinalis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 30 January 2016.
^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.
^Budzianowki, J.; Skrzypczak, L.; Walkowiak, D. (1985). "Flavonoids of Parietaria officinalis". J. Nat. Prod. 48 (2): 336–7. doi:10.1021/np50038a033.
^Budzianowski, Jaromir (1990). "Caffeoylmalic and two pyrrole acids from Parietaria officinalis". Phytochemistry. 29 (10): 3299–3301. doi:10.1016/0031-9422(90)80203-S.
"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.
Taxon identifiers
Wikidata: Q158578
Wikispecies: Parietaria officinalis
APA: 3647
APDB: 197977
APNI: 196107
BioLib: 3533
Ecocrop: 15772
EoL: 594856
EPPO: PAIOF
FoAO2: Parietaria officinalis
GBIF: 5361803
GRIN: 26765
iNaturalist: 84889
IPNI: 854958-1
IRMNG: 11011640
ITIS: 19168
NBN: NHMSYS0100002300
NCBI: 13187
NZOR: e488787c-02a7-4b86-bb94-36fd326a3902
PalDat: Parietaria_officinalis
PfaF: Parietaria officinalis
Plant List: kew-2546423
PLANTS: PAOF
POWO: urn:lsid:ipni.org:names:854958-1
Tropicos: 33400018
WoRMS: 425909
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