Lagerstroemia indica, commonly known as single lagerstroemia or Indian crape myrtle, is a species of flowering plant in the family Lythraceae. It is native to tropical and subtropical Asia, from India and Sri Lanka east to China and Indonesia. It is a small to medium-sized tree growing to 10–20 m tall, with a dense, round crown. The leaves are 6–18 cm long and 3–8 cm broad, with an entire or finely toothed margin. The flowers are borne in summer in dense panicles 20–30 cm long, each flower 3–4 cm diameter, with six petals in shades of pink, purple or white.