Erysimum cheiri (syn. Cheiranthus cheiri) is a species of wallflower known by the common name Aegean wallflower in English. It is also known as giroflée and revenelle in French, goldlack in German, and violacciocca in Italian. The plant is native to Europe but it is common and widespread on other continents where it is an introduced species. This is a biennial or perennial herb with one or more highly branching stems reaching heights of 15 to...