Black habanero is an alternative name often used to describe the dark brown variety of chocolate habanero chilis (although they are slightly different, being slightly smaller and slightly more sphere-shaped). Some seeds have been found which are thought to be over 7,000 years old. The black habanero has an exotic and unusual taste, and is hotter than a regular habanero with a rating between 425,000 and 577,000 Scoville units. Small slivers used in cooking can have a dramatic effect on the overall dish. The chocolate habaneros take considerably longer to grow than other habanero chili varieties.