No matter being called Sichuan, Szechuan, or Szechwan peppercorns, it refers to the dried ripe pods of Zanthoxylum schinifolium Sieb. et Zucc. Or pepper Z. bungeanum Maxim., which are in the family of Rutaceae in China. Peppercorn as it is named, it is not a real pepper at all, conventionally at least. Instead, it is kind of berry grown on the plant called Chinese prickly ash. In addition, its seeds, known as Zanthoxyli Semen, or Jiao Mu, are also used medicinally. It can be found in most parts of China, but it is named schezwan pepper corn simply because the product there is of the best quality. And sometimes it is called Chinese flower pepper and Sichuan numbing pepper because its unique spicy and hot taste.