Other forms: botanists
Use the noun botanist to describe a biologist whose specialty is plants — the way they grow, the differences between them, and everything else that has to do with plant science.
The earliest botanists, in the 1500s, began a system of classifying plants scientifically, while modern botanists study the DNA of plants as well as their uses in medicine and nutrition. The root word is botanic, from the Greek botanikos, "of herbs."