American basil (βασιλικός)

Ocimum americanum, known as American basil or "hoary basil", is an annual herb with white or lavender flowers. It is used for medicinal or culinary purposes. Despite the misleading name, it is native to Africa, the Indian Subcontinent, China, and Southeast Asia.(wiki)
It was spotted in Makrynitsa village, Pelion mountain, Greece.