Olea europaea, commonly called olive, olive or olive, is a long-lived, small evergreen tree that can reach up to 15 m in height, with a wide crown and thick trunk, with a twisted aspect. Its bark is finely cracked, gray or silver in color. It has opposite leaves, 2 to 8 cm long, lanceolate with a slightly pointed apex, entire, leathery, glabrous and gray green dark on the upper side, paler and densely scaly on the underside, more or less sessile or with a petiole very short.