Citharexylum spinosum, commonly known as the fiddlewood or spiny fiddlewood, is a species of flowering tree in the Verbenaceae family. It is native to the Caribbean, Central America, and South America, and can be found in various habitats, including forests, savannas, and coastal areas.

The tree can grow up to 30 feet (9 meters) tall, with a rounded canopy and a straight trunk. Its leaves are simple, ovate to oblong, and measure about 2-6 inches (5-15 cm) in length. The fiddlewood produces small, fragrant, white or cream-colored flowers that grow in clusters, which bloom from spring to summer. The flowers are followed by small, round fruits that turn from green to black when ripe.

The fiddlewood is often used as an ornamental tree in landscaping, as it is both attractive and easy to maintain. Its wood is also used for various purposes, such as making tool handles and furniture. In traditional medicine, various parts of the fiddlewood tree are used to treat a variety of ailments, including fever, cough, and skin conditions.

However, it should be noted that some parts of the fiddlewood tree, including the bark and leaves, contain compounds that may be toxic if ingested in large quantities. Therefore, it is important to use caution when using this plant for medicinal purposes and to consult with a healthcare professional before doing so.