Shrubs or small trees of tropical Asia and Africa usually with showy white, pink, or purplish flowers WordNet 3.0 & Open English WordNet

Lagerstroemia, commonly known as crape myrtle, is a genus of around 50 species of deciduous and evergreen trees and shrubs native to the Indian subcontinent, southeast Asia, northern Australia, and other parts of Oceania, cultivated in warmer climates around the world. Wikipedia