Bonduc nut is a small, hard-shelled nut commonly found in tropical regions. This nut is also known as nicker nut, fever nut, and gray nicker nut due to its medicinal properties. In Africa, it's known as "barbados nut," while in India, it's called "kadukkaai." The Bonduc tree is a member of the pea family and is native to the Americas and Africa, and the nut is used in traditional medicine for a range of ailments. While not commonly used in cooking, it's sometimes used in jewelry-making due to its unique shape and texture. Regardless of what you call it, Bonduc nut has a rich history and a range of uses.