1、 Blade difference

The leaves of Bauhinia are papery, nearly round or triangular, about 5-10 cm long, similar to or slightly longer than the length. Its two sides are usually glabrous, its young leaves are green, and its petiole is only slightly purple

The leaf shape of crape myrtle is oval or obovate, which is slightly smaller than the former, about 2.5-7 cm long and 1.5-4 cm wide. There will be pilose along the midvein under its leaf

2、 The difference between flowers

Bauhinia flowers are purplish red or pink, clustered on the old branches and trunk, especially on the trunk

Crape myrtle flowers are rose red, bright red, light red, dark pink or purple, with various colors. Flowers terminal, often forming 7-20 cm panicles