100,000-350,000 Scovilles. The Scotch Bonnet Chile Pepper is a close family member of the habanero varieties, as a fellow member of the Capsicum chinense species. Its name derives from its resemblance to the Scottish Tam o' Shanter hat, though it appears primarily in the Caribbean and in Guyana and the Maldives. They usually mature to red or yellow and are very popular in cooking from the region, especially Caribbean Jerk sauce and marinade. Scotch Bonnet Peppers have a thin, waxy flesh, similar to habaneros, and are slightly smaller. They have similar, but slightly lower, heat levels.