Lamium orvala explained

Lamium orvala, known as balm-leaved archangel, is a species of flowering plant in the family Lamiaceae, native to central eastern Europe (Austria, Italy, Hungary, former Yugoslavia, Ukraine, Moldova).^[1]

Notes and References

1. http://apps.kew.org/wcsp/namedetail.do?name_id=107553 Kew World Checklist of Selected Plant Families