black haw

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A deciduous plant (Viburnum prunifolium) of the eastern United States, having clusters of white flowers and blue-black fruits.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun upright deciduous shrub having frosted dark-blue fruit; east and east central North America
• noun deciduous tree of southeastern United States and Mexico