A small to medium-sized, rare species native to the southern Appalachians, Arkansas, and Missouri with attractive white flowers.; sometimes used as an ornamental. Leaves are deciduous, alternate, pinnately compound, with alternate leaflets. Leaflets are obvate, entire, and yellow-green. Twigs are stout with naked buds that are completely enclosed within the petiole. Fruit is a 3-4" legume, often constricted in the middle. Bark is smooth, thin, and gray.