with . . .
twigs=red-brown, zig-zag from leaf scar to leaf scar;  bark=smooth with light-colored horizontal lenticels   >   honey locust Gleditsia triacanthos
pod length >10 cm (>4 in);  leaf scar sunken, with two buds, one above the other   >   Kentucky coffeetree Gymnocladus dioicus
tree=flat top;  pods=long-tapered   >   mimosa silk tree Albizia julibrissin
leaf scar surrounds winter bud   >   Yellowwood Cladrastis kentukea
leaf scar does not surround winter bud;  bark contains many flower buds   >   eastern redbud Cercis canadensis