Katsura is a tree native to China and Japan, grown for shade in U.S. gardens and parks. Its fallen autumn leaves can smell like caramel. It is also called katsura tree.
Eastern redbud (Cercis canadensis) has alternate leaves and showy pink flowers on bare twigs. Katsura leaves are usually opposite or nearly opposite, and its spring flowers are small and easy to miss.
Why they get mixed upBoth garden trees have rounded, heart-shaped leaves.