From Wikipedia:

Aronia is a genus of deciduous shrubs, the chokeberries, in the family Rosaceae native to eastern North America and most commonly found in wet woods and swamps. The genus is usually considered to contain two or three species, one of which is naturalized in Europe.

Aronia melanocarpa (black chokeberry) has attracted scientific interest due to its deep purple, almost black pigmentation that arises from dense contents of polyphenols, especially anthocyanins. Total polyphenol content is 1752 mg per 100 g dry weight, anthocyanin content is 1480 mg per 100 g dry weight, and proanthocyanidin concentration is 664 mg per 100 g fresh weight. These values are among the highest measured in plants to date.

Chokeberries are cultivated as ornamental plants and as food products. The sour berries can be eaten raw off the bush, but are more frequently processed. They can be found in wine, jam, syrup, juice, soft spreads, tea, salsa, chili starters, extracts, beer, ice cream, gummies and tinctures.

From: https://bodynutrition.org/aronia/

Aronia or aronia melanocarpa is also known as ‘black chokeberry’ and is considered by many to be the healthiest fruit in the world, offering more health benefits than any other superfood.