Answer
Theophrastus' works on plants were influential in the Renaissance, as they helped to lay the foundation for modern botany. Theophrastus was one of the first to classify plants according to their observable characteristics, and his work was later used by Renaissance botanists such as Andrea Cesalpino and Carolus Linnaeus. Theophrastus also wrote about the medicinal properties of plants, and his work on this subject was also influential in the Renaissance.