What tree has a yellow trunk that looks like a crape myrtle trunk?

According to the analysis of your picture, the tree species in the picture should be cow wood. Cattle wood is mainly produced in China, Guangxi, Guangdong, Yunnan and other provinces. Cattle is a deciduous shrub or tree with grayish yellow or grayish brown bark, oval to oblong or lanceolate leaves, obovate, cymes, 5 petals, red and oval capsules. The flowering period is from April to May, and the fruiting period is after June.