National plant specification shrubs
Image: Coles Nurseries

A shrub is defined as a woody perennial, usually of less size than a tree, with several persistent stems or side branches from or near ground level.  The National Plant Specification Shrubs list provides further detail on the nomenclature of Shrubs as follows:


Each plant must be specified by giving its full BOTANICAL name. For full details of the specification terms used in naming plants, see Trees.