Lamium orvalaLamium orvala, the balm-leaved archangel, is a species of flowering plant in the family Lamiaceae. It is native to Europe.TaxonomyLamium orvala was described and named by Carl Linnaeus in 1759.DistributionLamium orvala is native to south central Europe, ranging from northeastern Italy to southwestern Hungary. There is a disjunct population on Monte Gargano in southeastern Italy. The species has been introduced into Czechoslovakia.