coming from lesbas, He moved to Athens to study with Aristotle whom game him the name Theophrastus due to his charming nature
After his master's death, he became the head of the school of philosophy
Theophrastus developed his own vocabulary to describe plant processes and horticultural and agricultural efforts. He was concerned about the many species of unidentified and unknown plants of the wilderness. He commissioned his students and staff to collect specimens and conduct experiments as they worked, which helped to determine which plants could be put to various uses.
He Observed the characteristics of herbs he came across in Greece, their color, defense mechanism and other factors
He then Classified All the herbs into groups which are (herbs, undershrub, shrubs, and trees)on the basis of their habits,
He wrote the wrold's first attempt on botnical classification, it was in the boos: On the causes of plants and Enquiry to plants, where he described all herbs personally observed during his travels in greece