Overview Oregano, whose scientific name is Origanum vulgare L, belongs to Labiatae. Origano is a perennial semi-shrub or herbaceous plant, aromatic, rhizome oblique, woody. The stems are up to 60 cm high, quadrangular, often without leaves near the base. The leaves are petiolate; the back is nearly round and pilose; the leaves are oval or oblong-ov...