Linked from
The 11 pages that link to Capsicum, each with the reason it gives.
Chili pepperNarrower topic: Chili peppers are fruits of several domesticated species in this genus.
SambalNarrower topic: Its fruits supply the heat at the center of most sambals.
CapsaicinoidNarrower topic: Capsaicinoids occur chiefly in pungent fruits of this plant genus.
Tabasco pepperNarrower topic: The genus places Tabasco pepper among the cultivated chili peppers.