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''Omphalotus japonicus'', commonly known as the tsukiyotake , is an orange to brown-colored gilled mushroom native to Japan and Eastern Asia. It is a member of the cosmopolitan genus ''Omphalotus'', the members of which have bioluminescent fruit bodies which glow in darkness. A 2004 molecular study shows it to be most closely related to the jack'o'lantern fungus (''Omphalotus olearius'') of eastern North America.〔 ''Omphalotus japonicus'' is poisonous, its consumption resulting in acute nausea and vomiting for several hours. It is often confused with edible fungi and mistakenly consumed in Japan. ==Taxonomy== Inoko first described this fungus as ''Pleurotus noctilucens'' in 1889, however the name proved invalid as the binomial had already been used for another species.〔 Given the name ''Pleurotus japonicus'' by Seiichi Kawamura in 1915, it was given the name ''Lampteromyces japonicus'' by Rolf Singer in 1947,〔 until the genus ''Lampteromyces'' was sunk into ''Omphalotus'' in 2004.〔 Hitoshi Neda has proposed this fungus is the same as one described by Miles Joseph Berkeley as ''Agaricus guepiniformis'' in 1878, as the type specimen fits the description of ''O. japonicus'' and hence, based on the principle of priority, the name should be ''Omphalotus guepiniformis'' (Berk.) Neda.〔 A proposal was submitted in 2006 to conserve the epithet ''japonicus'' against ''guepiniformis'' and another synonym, ''Pleurotus harmandii''.〔 The proposal was accepted by the Nomenclature Committee for Fungi in 2008.〔 The little-known ''Lampteromyces luminescens'', described in 1979 in China by M. Zang, is similar genetically and may be a synonym, however the taxon is insufficiently known to confirm this.〔 The species is mentioned in ''Konjaku Monogatarishū'', an anthology of Japanese folk tales dating from the 12th century.〔 The Japanese name ''tsukiyotake'' translates as "moon-night mushroom".〔 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「Omphalotus japonicus」の詳細全文を読む スポンサード リンク
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