The compound leaves of V. caroliniana are alternately arranged and the subalternate elliptical to lanceolateleaflets have hairy undersides. The leaves have paired stipules at their bases and terminate in single or bifurcated tendrils. The slightly winged stems are hollow. The flowers have five petals and are borne in inflorescences that originate in the leaf axils. The anthers are orange while the flower petals are pale purple to white. V. caroliniana produces dehiscentseed pods long.