The bhut jolokia (English: king cobra chile) – also known as naga jolokia, Dorset naga, naga morich, or ghost chili – is a chili pepper. In 2007, it was confirmed by Guinness World Records to be the hottest chili in the world, replacing the Red Savina. It is a naturally occurring inter-specific hybrid originating in the Assam region of northeastern India.It also grows in the Indian states of Nagaland and Manipur( manipuri name 'oo-morok' 'oo' = tree, 'morok' = chilli. Disagreement has arisen on whether it is a Capsicum frutescens or a Capsicum chinense. Some claim it is a C. frutescens,but recent DNA tests have found that it is an interspecies hybrid, mostly C. chinense with some C. frutescens genes.
(source: wikipedia.org)