Red Pepper Seed
From MHWiki
Nearly indestructible, these seeds are rock-hard and extremely hot to the touch. Two seeds planted in a pot results in a pepper plant radiating heat, on the brink of self-combustion.
Can be combined with a Plant Pot to form a Spicy Red Pepper Plant.
Dropped by Derr Chieftain, Gladiator and Guardian in Derr Dunes.