Complex sentence: Dwarf azalea, "Rhododendron atlanticum" is a wild shrub native to southeastern North America is not as common as its planted cousins, nor as showy, but occasionally the shrub forms a thick understory in a forest, and its flowers are exquisite.
Split into simpler sentences: Dwarf azalea, "Rhododendron atlanticum" is a wild shrub native to southeastern North America. It is not as common as its planted cousins, nor as showy, but occasionally the shrub forms a thick understory in a forest, and its flowers are exquisite.