Plant taxonomy is the science of classifying and naming plants. It helps scientists organize the vast diversity of plant species into categories based on shared characteristics. This classification system includes ranks such as kingdom, phylum, class, order, family, genus, and species. By using plant taxonomy, researchers can communicate more effectively about different plants and their relationships. For example, the genus and species names, like Rosa for roses, provide a standardized way to identify plants. This system is essential for studying plant biology, ecology, and conservation efforts.