Black diamond is a variety of Crepe myrtle which is a member of the Lagerstroemia family. Its botanical name is Lagerstroemia 'Black diamond'.
Black Diamond Crape myrtles are a new, spectacular series of crape myrtles with beautiful black leaves and bright blooms. There are five varieties in this series. The flower colors are best red, crimson red, blush, pure white and red hot.
This variety plant info is provided by the myfolia gardener's wiki. All details about Black diamond have been kindly provided by our members.