The problem with a common name is that the same plant will have many different names depending on which part of the country you are in. Because of this plants are given a Latin name and put into different groups and families depending on their botanical similarities such as flower type or leaf type.
These names are now universal, and so two people talking about Picea Sitchensis in different parts of the world will both be referring to Sitka Spruce trees. Plants are further divided into families. Genus, Species, Variety and Hybrids |