Blueberries are a widely distributed and widespread group of perennial flowering plants with blue or purple berries.
https://en.wikipedia.org/wiki/Blueberry
Blueberries consist of 14% carbohydrates, 0.7% protein, 0.3% fat and 84% water (table). They contain only negligible amounts of micronutrients, with moderate levels (relative to respective Daily Values) (DV) of the essential dietary mineral manganese, vitamin C, vitamin K and dietary fiber (table). Generally, nutrient contents of blueberries are a low percentage of the DV (table). A 100 gram serving provides a relatively low caloric value of 57 kcal with a glycemic load of 6.