White pepper and white peppercorns, like black pepper and green pepper are fruit of pepper vine. For white pepper, berries are harvested, soaked and washed in water to remove the outer casing as the seed dry it becomes white.
White pepper has a lighter pepper flavor and usually stays in the background. White pepper used in light sauces or soups. White pepper has distinct milder, fermented flavor and it is used in light color dishes.