Tochi (Japanese horse chestnut) is divided into many species, such as the French marronnier, and is distributed throughout the world, but the Japanese horse chestnut (橡) has many enthusiasts throughout the world. The reason for this is said to be that the beautiful arrangement of the fibers creates a silky luster, and combined with the unique grain patterns, it looks like a white jewel. Wood boards with beautiful grain patterns unique to horse chestnut, such as rippled grain, shrunken grain, crepe grain, and variegated grain, are considered to be valuable. It is also recognized as a tree of prosperity in many parts of the world.