deciduous or evergreen shrubs of North America: black huckleberries

Gaylussacia is a genus of about 50 species of flowering plants in the family Ericaceae, native to the Americas, where they occur in eastern North America (8 species) and in South America in the Andes (7 species) and the mountains of southeastern Brazil (the remaining 35 species). Common English names include huckleberry (shared with plants in several other genera) and "dangleberry".