Eucalyptus citriodora, commonly known as lemon-scented gum, is a species of tree native to Australia. It is recognized for its tall stature, reaching heights of up to 50 meters, and its distinctive lemon-scented leaves, which release a refreshing aroma when crushed. The tree is often cultivated for its essential oil, which is used in various applications, including aromatherapy and natural insect repellents. This species thrives in warm, humid climates and prefers well-drained soils. Eucalyptus citriodora is also valued for its fast growth and ability to adapt to different environments, making it a popular choice for reforestation and landscaping projects.