The black presious truffle, Tuber melanosporum Vitt scientific name known as the truffle of Norcia, Spoleto has a rather uniform and round with polygonal warts.

The blackish brown surface takes on shades of rust rubbing. The meat or glebe is clear, its perfume is intense, aromatic and fruity.
It grows in hilly and mountainous areas in symbiosis with the core oak and oak.

After the white truffle is considered the most valuable commercially and is one of the leading international cuisine.

Where does it grow black truffles usually scarce and the vegetation under the tree the grass is sparse because of the mycelium.
And 'possible to observe the presence of a particular fly Anisotoma Cinnamomea normally deposits the eggs in the vicinity of the nose.

The collection period is from December to March.