Is the "capsicum annuum" milder or hotter than the jalapeno pepper?
Jalapeño:  It is wider and generally milder than the similar Serrano pepper. 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.
It is wider and generally milder than the similar Serrano pepper.