Calophyllum calaba is a flowering plant found in tropical regions across the world. This species is also known by several other common names including Alexandra, Santa Maria, and Balsam Apple. The tree, which can grow up to 60 feet tall, is characterized by its large green leaves and yellowish-white flowers that bloom from spring to summer. The fruit of this tree is often called the "ball nut," and it is edible with a unique taste. In traditional medicine, the oil extracted from the seeds of Calophyllum calaba is used to treat skin diseases, inflammation, and pain. The Calophyllum calaba plant is a fascinating specimen with many useful properties.