The Ketembilla Tree, also known as the Ceylon Olive Tree, is a plant species scientifically known as Dovyalis caffra. This evergreen tree originates from Southern Africa and is particularly popular in Sri Lanka and India, where it is used as a medicinal plant. There are a few synonyms for the Ketembilla Tree, including the Wild Apricot Tree, Kaffir Plum Tree, Umdoni Tree, and Kei Apple Tree. The fruit produced by this tree is also called the Ketembilla fruit and is known for its slightly sour and astringent taste. Overall, the Ketembilla Tree is an important and versatile plant, with various medicinal and culinary applications.