the black truffle or black périgord truffle, named after the périgord region in france, grows with oak and hazelnut trees and can be harvested in late autumn and winter.
a truffle is the fruiting body of a subterraneum fungus, their fruiting body grows underground. truffles have been found in europe, asia, north africa and north america. the highest esteemed ones are the white truffle from umbrië and piemonte in italy and the black truffle or périgord truffle from france. truffles are harvested in europe with the aid of truffle dogs, specially trained dogs which are able to detect the strong smell of mature truffles underneath the surface of the ground. originally they were harvested with the aid of female pigs, but the use of pigs is risky because of their natural tendency to eat the truffle instead of exchanging it for a pat on the head from the truffle hunter. images: mikkel vang