Fatalii is a variety of the species Capsicum chinense, natives to central and southern America. It has a heat range of 125,000 to 325,000 SHU (Scoville Heat Unit), and is the sixth hottest pepper on the Scoville Food Institute list.
Fatalii plant can grow to 20-25 inches tall, and the peppers can grow to 2.5-3.5 inches long, and 0.75-1.5 inches wide. Fatalii has a fruity and citrus flavor. When young, it is pale green, and matures into a bright yellow color.