 In autumn forests, they appear vivid in the maples, oaks, sourwood, sweetgums, dogwoods, tupelos, cherry trees, and persimmons.These same pigments often combine with the carotenoids' colors to create the deeper orange, fiery reds, and bronzes typical of many hardwood species.The brown color of leaves is not the result of a pigment, but rather cell walls, which may be evident when no coloring pigment is visible.