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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.
Serrano is of Spanish origins and refers to someone who lives by  a mountain ridge or a chain of hills. See Related Links.It  originated from the French Serra and Italian â¦Serrano having its  origins in Rome - Italy, Unlike the Serraino surname that had  it's origin in Sicily or Serrani in the province of Bologna.  Between the 1200 and 1400's migrating to the Hispanic Peninsula  (Spain).