Linked from
The 8 pages that link to Jalapeño, each with the reason it gives.
CapsicumBroader topic: It illustrates a widely cultivated, moderately hot pepper.
Capsicum annuumBroader topic: It is one of the species’ widely grown fresh and pickled chilies.
HabaneroCompared with: Its much lower pungency makes the difference in heat easier to gauge.
Banana pepperCompared with: It is typically much hotter and shorter than a banana pepper.
NachosRelated: Sliced jalapeños add a familiar spicy topping to nachos.