Sarracenia (oreophila x purpurea)
A similar plant to S.catesbaei. The plants I have seen have all been rather small intermediates with rather broad purple pitchers, but I am sure there must be greater variation possible.
Sarracenia (oreophila x purpurea) H-16-JJ
Sarracenia (oreophila x purpurea venosa) H-148-AP
Sarracenia (oreophila x purpurea) H-176-DB
Sarracenia (oreophila x purpurea heterophylla) H-193-JH
Sarracenia (oreophila x purpurea purpurea) H-261-OD
Sarracenia (oreophila x purpurea) SX-1-DB