Porcini (Boletus edulis) One of the nicknames of this mushroom, penny bun, is inspired by its brown, bread roll-like cap. (more) porcini mushroom Also known as: Boletus edulis, andgewoon eekhoorntjesbrood, bolete, cèpe de Bordeaux, cep, cepe, dajiao gu, karjohanssvamp, king bolete, meiwei-niuganjum, penny bun, porcino, steinpilz, stensopp, zhutui mo(Show More) Written by Karen Sottosanti Karen Sottosanti is a writer and editor who works in educational publishing. Karen Sottosanti Fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Last updated May 1, 2026 •History porcini, (Boletus edulis), large, wild, edible mushroom prized in global cuisines, especially Italian and French. The term porcini also refers to a group of about 60 related species in the genus Boletus, four of which—B. edulis, B. aereus, B. pinophilus, and B. aestivalis—form the Boletus group edulis. B. edulis is the type species for the genus Boletus and the subject of discussion in this article. Taxonomy Species of least concern Occurring naturally in the Northern Hemisphere, porcini are widely distributed...

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