Subgenus Azalea can be referred to by many synonyms, including Tsutsusi and Pentanthera. These names all relate to a group of flowering shrubs in the Ericaceae family that are primarily native to Asia. Azaleas are distinguished by their showy, funnel-shaped flowers that come in a range of colors. Subgenus Azalea species may be deciduous or evergreen, with different growth habits and blooming times depending on the variety. Azaleas are commonly grown for their ornamental value in gardens and landscapes, and many cultivars have been created over the years for specific purposes, including topiary and hedges. Whatever the name, these beautiful shrubs are a welcome addition to any garden.