Interesting but a bit too basic to make the typhical player group get enthused about solving the problem.
The main Issue I find with "real" puzzles is sometimes the characters are supposed to be brilliant mages or scientists, (or super heroes) and the player becomes frustrated when their character could easily solve a problem they are struggling with, it really kills the immersion for them.
An unique ingredient,, sure to "spice up" an otherwise dull chili cook off.
Like Mourngrymn asked, what is the reason behind it's odd name? Does it perhaps partially fungal based, only growing in the chests of moldy cadavers, eventually replacing the heart?
A refined thick oil from this pepper could also be used by creative adventurers as a coating to make temporary flaming weapons or blanket a floor in fire.
Nasty and revolting, the kind of creature that will leave a memorable impression long after it is slain, especially the next time the smell of death is in the air.
While perfect for a fantasy game, once again these creatures woudl feel at home in more modern or sapce faring settings with minimal modifcation, the perfect inhabitant of drifting space hulsk and abandoned colonies.
The pic at the end really helped bring it all togther, and the beginning narrative set the scene nicely. Another one of those "I must use this in my next adveture" subs thatis too good to pass up.