Hungarian Ash, sometimes referred to as Hungarian Flower Ash, is an exceptionally rare and highly decorative form of ash veneer prized for its dramatic three dimensional surface effect. This distinctive appearance is created by an unusual wavy growth of the wood fibres, producing a rippled and billowing figure that appears to rise and fall across the surface.

The veneer was used from the Renaissance period onwards, particularly on elaborate cabinet facades and fine furniture intended to display wealth and craftsmanship. Its most celebrated use was within Hungary and neighbouring regions such as Romania, as well as across the former Danube Monarchy. The wood was selected specifically for highly visible decorative panels rather than structural elements.

Hungarian Ash differs from standard ash veneers in both rarity and visual depth. While other woods such as quilted maple or Japanese Tamo ash show some comparable movement in grain, Hungarian Ash is notable for its pronounced sculptural quality, creating a striking illusion of depth and light. By the late nineteenth century the veneer had largely disappeared from commercial trade and is now known almost exclusively from antique furniture and surviving historic veneers.