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Serrano pepper. The serrano pepper (Capsicum annuum) is a type of chili pepper that originated in the mountainous regions of the Mexican states of Puebla and Hidalgo. The name of the pepper is a reference to the mountains (sierras) of these regions.
Chili peppers from Central America. There are two main kinds of pepper: black pepper and chili pepper. Chili peppers come from South America, and they're related to other South American plants like tomatoes, tobacco, and potatoes. Chili doesn't taste hot to birds, so possibly the hot taste evolved so that birds would eat the fruit and mammals wouldn't-birds do a better job of spreading chili pepper seeds. But even if chili pepper plants didn't like people eating them, people liked to eat them anyway! People in South America were gathering this kind of pepper as early as 7500 BC, not long after people first came to South America. By about 4000 BC, farmers were growing chili peppers in South America.