Dexenthes
Aristoloingulamata
In all seriousness I do have to somewhat agree that the sanguinea does kind of resemble alata with its waistline and more regular pitcher opening. The sanguinea I have seeen do tend to be oblong and their pitcher openings are sort of irregular and oval-like.
Though I'm no pro and have never grown either one so don't take my word for it!
Though I'm no pro and have never grown either one so don't take my word for it!