White pepper (白胡椒) corns consist of the seed of the pepper plant alone, with the darker-coloured skin of the pepper fruit removed. White pepper tastes hotter than black but is less complex, owing to the skin removal. You can buy whole or ground.
Where to Buy
Most grocery store spice racks will carry ground white pepper.
Buy at Amazon and support this site: Simply Organic Pepper, White, 2.86 Ounce