Black pearl pepper

The Black Pearl Pepper is a variety of Capsicum annuum which is characterized by distinctive black leaves and fruit. It was developed by Arboretum Floral and Nursery Plants Research Unit scientist Rob Griesbach and John Stommel of the Agricultural Research Service’s Vegetable Laboratory.[1] This pepper plant is notably similar to another strain, named the Black Hungarian, another designer pepper plant [2]

Black Pearl Pepper.
Black Pearl Pepper

References

http://www.usna.usda.gov/Research/BlackPearl.html