It looks like crape myrtle from a distance, but it has big leaves. What kind of flower is this?

Lagerstroemia speciosa Also known as Lagerstroemia speciosa. It is also called Lagerstroemia speciosa. Centurium, Barnabas, Wulixiang, Honghuihua, Centurium and Buddha Tears. Tall deciduous tree of Myrtaceae, about 5- 12 m high, with opposite leaves, rectangular or oval. It is characterized by large flowers, large leaves and a flower diameter of 5-7 cm. The leaf length is 10~25cm, the width is 6~ 12cm, and there are many stamens, reaching 100~200. Petals are almost shriveled, calyx has 12 edges, and the color varies from light red to deep purple.