The Alphonso Olive tree cultivar was developed in Chile. It is also grown in Argentina and Peru. Chilean black Alphonso Olives tend to be cured in red wine vinegar, which deepens their purple color.
Alphonso Olives

The Alphonso Olive tree cultivar was developed in Chile. It is also grown in Argentina and Peru. Chilean black Alphonso Olives tend to be cured in red wine vinegar, which deepens their purple color.