A form of sculpting characterized by vertically raised ridges that extend from the throat and project from the petal surface. The ridges may grow parallel to the veins, or they may radiate outwards from each side of the midrib.
A form of sculpting characterized by vertically raised ridges that extend from the throat and project from the petal surface. The ridges may grow parallel to the veins, or they may radiate outwards from each side of the midrib.