This is Piper nigrum, also known as Black Pepper Corn. I will not bore you with what pepper is. The fruits can be used as a disinfectant. Eating the fruit improves digestion and lowers fever. The dried seed that we know as peppercorn has a wide variety of health benefits and uses. The vine gets about 20 feet long and likes to live in partial shade. USDA Hardiness Zones 10b to 11.