Eucalyptus is a genus of trees and shrubs native to Australia, known for their aromatic leaves and fast growth. There are over 700 species, with the most famous being the Eucalyptus globulus, commonly known as the blue gum. These trees thrive in various climates and are often used for timber, essential oils, and ornamental purposes. The leaves of eucalyptus contain compounds that can be used in medicinal products, particularly for their antiseptic and anti-inflammatory properties. Additionally, eucalyptus trees are important for wildlife, providing habitat and food for various species, including the koala, which primarily feeds on eucalyptus leaves.