Learning botany meaning

Branches of botany
Botany.
In botanical nomenclature, a synonym is a name that is not correct for the circumscription, position, and rank of the taxon as considered in the particular botanical publication.
It is always "a synonym of the correct scientific name", but which name is correct depends on the taxonomic opinion of the author..
What is the study of what is called botany?
Botany is the scientific study of plants—how plants function, what they look like, how they are related to each other, where they grow, how people make use of plants, and how plants evolved..

Branches of botany