100,000-350,000 SHU. Caution! This innocent-looking pepper is very hot! Originating in Amazonian Brazil before making its way to Northern Mexico and the Caribbean, this variety packs a punch. Fruit matures from green to bright orange and has a taste of tangy citrus flavor accompanied by amazing heat. Fruits reach 3-5 cm long. Best suited for the daring, and those that love spicy food.