A deciduous shrub (Lagerstroemia indica) native to China and widely cultivated in warm regions for its showy clusters of variously colored flowers with crinkled petals. Shrub (Lagerstroemia indica) of the loosestrife family, native to China and other tropical and subtropical countries and widely grown in warm regions for its flowers. About 25 varieties are cultivated, known primarily by the color of their clustered flowers, which range from white to pink, red, lavender, and bluish