Even more indulgent and prized within the culinary world is the white truffle or Tuber Magnatum, which is harvested from September to December and boasts probably the most flavoursome and pungent flavour of all varieties. From the extremely prized Périgord truffles of France to the luxurious Alba white truffles of Italy and the distinct Spanish black truffles, each area offers its distinctive black truffle varieties. Once formed, it ripens in a single day, in contrast to the Périgord black truffle, which matures over a month to six weeks. If you've ever had a black truffle, likelihood is you had the Tuber melanosporum, aka the Périgord black truffle, aka the "queen of truffles," per Ostalaritza Leioa Hosterleria.