Oregano plants leaves are used to extract Oregano oil which is also called Marjorm. These plants are a part of the mint family and are referred to as Origanum vulgare. These ever growing herbs can grow up to a height of 80 cm. The plants of Oregano have purple flowers and green leaves. The leaves of the oregano are also used as an important culinary after they are dried. It was the ancient Greeks who first recognized the medicinal significance of the Oregano oil. And, for, it’s medicinal importance these oils have been extracted after extraction from Oregano plant.