perthlys

== Welsh == === Etymology === perth (“hedge”) +‎ llys (“herb, wort”). === Pronunciation === (North Wales) IPA(key): /ˈpɛrθlɨ̞s/ (South Wales) IPA(key): /ˈpɛrθlɪs/ === Noun === perthlys m bindweed (plants of the families Convolvulaceae and Polygonaceae) Synonym: taglys especially black bindweed (Fallopia convolvulus) Synonyms: y glymog ddu, taglys yr ŷd pellitory of the wall (Parietaria judaica syn. Parietaria diffusa) Synonym: paladr y wal === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “perthlys”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies