llysiau gwlithog porffor

== Welsh == === Etymology === Literally, “purple dewplant”. === Noun === llysiau gwlithog porffor round-leaved pigface, purple dewplant (Disphyma crassifolium) Synonym: chwyslys porffor === Mutation === === Further reading === Cymdeithas Edward Llwyd (2003), Planhigion Blodeuol, Conwydd a Rhedyn [Flowering Plants, Conifers and Ferns] (Cyfres Enwau Creaduriaid a Planhigion; 2)‎[1] (in Welsh), Llanrwst: Gwasg Carreg Gwalch, →ISBN, page 13‎[2]