Olive (Olea europaea)Olive (Olea europaea) Olea europaea, or the olive tree, is a widely cultivated tree with a long history of use for its fruit, olives, and olive oil. Both the fruit and oil have been associated with various potential health benefits. Heart Health: Olive oil, especially extra virgin olive oil, is known for its potential to promote heart health. It is rich in monounsaturated fats, which can help reduce LDL ("bad") cholesterol levels and lower the risk of