EucalyptusGenus of "myrtoeidi". Ornamental trees, large, Originating from Australia who came to Europe in the early 19th century. In Greece the first tree was planted in the botanical garden of Athens 1864 subsequently spread throughout the state because of the consolidation of properties. The essential oil of eucalyptus is a great antiseptic and powerful antibiotic. Soothes acute and chronic bronchitis, asthma and sore throat and heals wounds and minor burns.