Orange root, also known as Osage orange, horse apple or hedge apple, is a fruit that is native to North America. It is known for its distinctive bright orange color, and its tough, fibrous exterior. Although it is commonly referred to as an orange root, it is actually a fruit that belongs to the mulberry family. There are several synonyms for the word orange root, including Maclura pomifera, bowwood, yellow-wood, and mock orange. These synonyms can be useful for those who are conducting research on the fruit, or for those who want to expand their vocabulary. Regardless of what it is called, orange root is a unique and interesting fruit that has been used for a variety of purposes throughout history, from making natural dyes to repelling insects.