Brunello di Montalcino is produced from 100% Sangiovese; unlike Chianti, it is not blended with other grape varieties.
Brunello was the local name for Sangiovese; therefore, Brunello di Montalcino means Sangiovese of Montalcino. Brunello is also a Sangiovese clone that has big berries and thick skins. They contribute significant color and tannins, making Brunello the darkest of the Sangiovese-based wines.
Although this clone may dominate...