Truffle
Truffle describes a group of edible mycorrhizal (subterranean) mushrooms (genus Tuber, class Ascomycetes, division Mycota).
The ascoma (fruiting body) of truffles is considered gourmet food and usually quite expensive. Looking for truffles in open ground is often enhanced by specially trained pigs or dogs. Best known are Tuber melanosporum (black truffle) and Tuber magnatum (white truffle), both found in western Europe.
External link
Truffle is also a confection of chocolate.
