A. Leaves simple; flowers rosy.
Redbud.
AA. Leaves compound.
B. Trees thorny.
C. Thorns simple, paired, at bases of leaves; pods small, thin.
Black Locust.
CC. Thorns often branched, clustered; pods large, curved.
Honey Locust.
BB. Trees not thorny.
C. Pods thick; limbs clumsy; leaves twice compound.
Kentucky Coffee Tree.
CC. Pods thin, small; limbs not clumsy; leaves once compound.
Yellow-wood. Virgilia.