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''Tuber gibbosum'' is a species of truffle in the genus ''Tuber''.〔 It is found in the Pacific Northwest region of the United States, where it grows in an ectomycorrhizal association with Douglas-fir. ==Taxonomy and phylogeny== |2=''Tuber oregonense'' }} |2= }} |2=''Tuber irradians'' }} }} |caption=Phylogeny of ''Tuber'' species in the Gibbosum clade, based on ribosomal DNA sequences.〔 }} The species was first described by American mycologist Harvey Wilson Harkness in 1899.〔 The specific epithet derives from the Latin word ''gibbosum'' meaning "humped", and refers to the irregular lobes and humps on larger specimens. ''T. gibbosum'' is part of the Gibbosum clade of the genus ''Tuber''. Species in this clade have unusual "peculiar wall thickenings on hyphal tips emerging from the peridial surface at maturity."〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tuber gibbosum」の詳細全文を読む スポンサード リンク
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