Auricularia auricula-judae: Difference between revisions
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{{speciesbox |
{{speciesbox |
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| name= ''Auricularia auricula-judae''{{Italic title}} |
| name= ''Auricularia auricula-judae''{{Italic title}} |
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| image = Auricularia auricula-judae |
| image = Jelly Ear, Auricularia auricula-judae, UK 2.jpg |
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| image_caption = A young fruit body on fallen wood in England |
| image_caption = A young fruit body on fallen wood in England |
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| taxon = Auricularia auricula-judae |
| taxon = Auricularia auricula-judae |
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}} |
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}} |
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{{ mycomorphbox |
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| name = |
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| hymeniumType = smooth |
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| capShape = no |
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| whichGills = NA |
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| stipeCharacter = NA |
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| sporePrintColor = white |
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| ecologicalType = saprotrophic |
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| ecologicalType2 = parasitic |
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| howEdible = edible |
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}} |
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| ⚫ | '''''Auricularia auricula-judae''''', [[common name|commonly]] known as '''wood ear''', '''jelly ear''', or more historically, '''Jew's ear''', is a [[species]] of [[fungus]] in the [[order (biology)|order]] [[Auriculariales]]. [[Basidiocarp]]s (fruit bodies) are brown, gelatinous, and have a noticeably ear-like shape. They grow on wood, especially [[elder tree|elder]]. The [[specific name (botany)|specific epithet]] is derived from the belief that [[Judas Iscariot]] hanged himself from an elder tree. |
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| ⚫ | The fungus can be found throughout the year in Europe, where it normally grows on wood of broadleaf trees and shrubs. ''Auricularia auricula-judae'' was used in [[folk medicine]] as recently as the 19th century for complaints including [[sore throat]]s, sore eyes and [[jaundice]], and as an [[astringent]]. It is edible but not widely consumed. |
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| ⚫ | '''''Auricularia auricula-judae''''', |
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| ⚫ | The |
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==Taxonomy== |
==Taxonomy== |
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The species was first described as ''Tremella auricula'' by [[Carl Linnaeus]] in his 1753 ''[[Species Plantarum]]''<ref name=Linn1753/> and later (1789) redescribed by [[Jean Baptiste François Pierre |
The species was first described as ''Tremella auricula'' by [[Carl Linnaeus]] in his 1753 ''[[Species Plantarum]]''<ref name=Linn1753/> and later (1789) redescribed by [[Jean Baptiste François Pierre Bulliard]] as ''Tremella auricula-judae''.<ref name="Mycobank"/> In 1822, the Swedish [[mycologist]] [[Elias Magnus Fries]] accepted Bulliard's epithet and transferred the species to ''[[Exidia]]'' as ''Exidia auricula-judae''. In so doing, Fries [[Sanctioned name|sanctioned the name]], meaning that the species epithet "''auricula-judae''" takes priority over Linnaeus's earlier "''auricula''". |
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The species was given the name ''Auricularia auricula-judae'' in 1888 by [[Joseph Schröter]].<ref name="Mycobank"/> The [[specific name (botany)|specific epithet]] of ''A. auricula-judae'' comprises ''auricula'', the Latin word meaning ''ear'', and ''Judae'', meaning ''of Judas''.<ref name="Harding"/> The name was criticised by American mycologist [[Curtis Gates Lloyd]], who said "''Auricularia auricula-Judae'' is cumbersome and in addition is a slander on the Jews".<ref name="Lowy"/> Though critical of [[Lucien Marcus Underwood]], saying he "would probably not have known the Jew's ear from the calves' liver", he followed him in using ''Auricularia auricula'', which was in turn used by American mycologist Bernard Lowy in his monograph on the genus.<ref name="Lowy"/> Despite this, ''Auricularia auricula-judae'' is the valid name for the species.<ref name="Mycobank"/><ref name="IndexFungorum"/> |
The species was given the name ''Auricularia auricula-judae'' in 1888 by [[Joseph Schröter]].<ref name="Mycobank"/> The [[specific name (botany)|specific epithet]] of ''A. auricula-judae'' comprises ''auricula'', the Latin word meaning ''ear'', and ''Judae'', meaning ''of Judas''.<ref name="Harding"/> The name was criticised by the American mycologist [[Curtis Gates Lloyd]], who said "''Auricularia auricula-Judae'' is cumbersome and in addition is a slander on the Jews".<ref name="Lowy"/> Though critical of [[Lucien Marcus Underwood]], saying he "would probably not have known the Jew's ear from the calves' liver", he followed him in using ''Auricularia auricula'', which was in turn used by the American mycologist Bernard Lowy in his monograph on the genus.<ref name="Lowy"/> Despite this, ''Auricularia auricula-judae'' is the valid name for the species.<ref name="Mycobank"/><ref name="IndexFungorum"/> |
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The species was long thought to be somewhat variable in colour, habitat, and microscopic features but cosmopolitan in distribution, though Lowy considered it a temperate species and doubted that it occurred in the tropics.<ref name="Lowy" /> [[Molecular phylogenetics|Molecular]] research, based on [[cladistic]] analysis of [[DNA sequences]], has, however, shown that ''Auricularia auricula-judae'' as previously understood comprises at least seven different species worldwide.<ref name="wu2015"/><ref name="wu2021"/> Since ''A. auricula-judae'' was originally described from Europe, the name is now restricted to the European species. The commercially cultivated Chinese and East Asian species, still frequently marketed and described as ''A. auricula-judae'' or ''A. auricula'', is ''[[Auricularia heimuer]]'' (black wood ear).<ref name="wu2014"/> |
The species was long thought to be somewhat variable in colour, habitat, and microscopic features but cosmopolitan in distribution, though Lowy considered it a temperate species and doubted that it occurred in the tropics.<ref name="Lowy" /> [[Molecular phylogenetics|Molecular]] research, based on [[cladistic]] analysis of [[DNA sequences]], has, however, shown that ''Auricularia auricula-judae'' as previously understood comprises at least seven different species worldwide.<ref name="wu2015"/><ref name="wu2021"/> Since ''A. auricula-judae'' was originally described from Europe, the name is now restricted to the European species. The commercially cultivated Chinese and East Asian species, still frequently marketed and described as ''A. auricula-judae'' or ''A. auricula'', is ''[[Auricularia heimuer]]'' (black wood ear).<ref name="wu2014"/> |
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==Vernacular names== |
==Vernacular names== |
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[[File:Judas Hangs Himself (Judas se pend).jpg|thumb|upright|left|''Judas se pend'' (''Judas Hangs Himself''), by [[James Tissot]]. It is from the belief [[Judas Iscariot]] hanged himself on an [[elder tree]] that both the [[Botanical name|specific epithet]] ''auricula-judae'' and the common name Jew's ear originate.]] |
[[File:Judas Hangs Himself (Judas se pend).jpg|thumb|upright|left|''Judas se pend'' (''Judas Hangs Himself''), by [[James Tissot]]. It is from the belief [[Judas Iscariot]] hanged himself on an [[elder tree]] that both the [[Botanical name|specific epithet]] ''auricula-judae'' and the common name Jew's ear originate.]] |
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The medieval Latin name ''auricula Judae'' (Judas's Ear) matches the vernacular name in most European languages |
The fungus is associated with [[Judas Iscariot]] because of the belief that he hanged himself on an elder tree after his betrayal of [[Jesus Christ]].<ref name="Harding"/> Folklore suggests that the ears are Judas's returned spirit,<ref name="Kibby"/> and are all that are left to remind us of his suicide.<ref name="Harding"/> The medieval Latin name ''auricula Judae'' (Judas's Ear) matches the vernacular name in most European languages, such as the French ''oreille de Judas'', or the German ''Judasohr''.<ref name="OED"/> The species was known as "fungus sambuca" among herbalists, in reference to ''[[Sambucus]]'', the generic name for elder.<ref name="Harding"/> The mistranslation "Jew's Ear" appeared in English by 1544.<ref name="OED"/> The English [[common name]] of the fungus was originally "Judas's ear", but this was later shortened to "Judas ear" and then "Jew's ear".<ref name="Harding"/> Common names for the fungus which refer to Judas can be traced back to at least the end of the 16th century;<ref name="Barrett"/> for instance, in the 17th century, [[Thomas Browne]] wrote of the species: |
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The fungus is associated with [[Judas Iscariot]] because of the belief that he hanged himself on an elder tree after his betrayal of [[Jesus Christ]].<ref name="Harding"/> Folklore suggests that the ears are Judas's returned spirit,<ref name="Kibby"/> and are all that are left to remind us of his suicide.<ref name="Harding"/> The [[common name]] of the fungus was originally "Judas's ear", but this was later shortened to "Judas ear" and then "Jew's ear".<ref name="Harding"/> Common names for the fungus which refer to Judas can be traced back to at least the end of the 16th century;<ref name="Barrett"/> for instance, in the 17th century, [[Thomas Browne]] wrote of the species: |
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While the term "Jew's meat" was a deprecatory term used for all fungi in the Middle Ages,<ref name="Mabey"/> the term is unrelated to the name "Jew's ear".<ref name="Harding"/> A further change of name to "jelly ear" was recommended in the ''List of Recommended Names for Fungi''.<ref name="Englishnames"/> The idea was criticised by the author Patrick Harding, who considered it "to be the result of political correctness where it is not necessary", and who "will continue to call [the species] Jew's ear", explaining that, while anti-Semitism was commonplace in Britain, the name "Jew's ear" is in reference to Judas, who was a Jew.<ref name="Harding"/> |
While the term "Jew's meat" was a deprecatory term used for all fungi in the Middle Ages,<ref name="Mabey"/> the term is unrelated to the name "Jew's ear".<ref name="Harding"/> A further change of name to "jelly ear" was recommended in the ''List of Recommended Names for Fungi''.<ref name="Englishnames"/> The idea was criticised by the author Patrick Harding, who considered it "to be the result of political correctness where it is not necessary", and who "will continue to call [the species] Jew's ear", explaining that, while anti-Semitism was commonplace in Britain, the name "Jew's ear" is in reference to Judas, who was a Jew.<ref name="Harding"/> However, the name is no longer favoured; the [[British Mycological Society]] recommends the name "jelly ear".<ref name="Englishnames"/> Other common names include the "ear fungus"<ref name="Allen"/> and the "common ear fungus".<ref name="Boa"/> |
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Unrelated common names include the "ear fungus"<ref name="Allen"/> and the "common ear fungus".<ref name="Boa"/> The species was known as "fungus sambuca" among herbalists, in reference to ''[[Sambucus]]'', the generic name for elder.<ref name="Harding"/> |
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==Description== |
==Description== |
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===Similar species=== |
===Similar species=== |
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In Europe, the only similar species is ''[[Auricularia cerrina]]'', recently described on oak (''Quercus'') from the Czech Republic, but probably more widespread in southern Europe. It can be distinguished by its dark grey to almost black fruit bodies.<ref name="Kout"/> The Asian ''[[Auricularia heimuer]]'' is very similar and has long been confused with ''A. auricula-judae''. It can be distinguished microscopically by its shorter basidia and shorter spores (11–13 × 4–5 μm). The American ''[[Auricularia angiospermarum]]'' is also similar, but also has shorter basidia and spores (13–15 × 4.8–5.5 μm).<ref name="wu2021"/> |
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==Habitat, ecology and distribution== |
==Habitat, ecology and distribution== |
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Commonly growing solitarily, it can also be [[wikt:gregarious|gregarious]] (in a group) or [[wikt:caespitose|caespitose]] (in a tuft).<ref name="Lowy658">Lowy 1952, p. 658</ref> Spores are ejected from the underside of the fruit bodies with as many as several hundred thousand an hour, and the high rate continues when the bodies have been significantly dried. Even when they have lost some 90% of their weight through dehydration, the bodies continue to release a small number of spores.<ref name="Ingold" /> It is found all year, but is most common in autumn.<ref name="Phillips" /> |
Commonly growing solitarily, it can also be [[wikt:gregarious|gregarious]] (in a group) or [[wikt:caespitose|caespitose]] (in a tuft).<ref name="Lowy658">Lowy 1952, p. 658</ref> Spores are ejected from the underside of the fruit bodies with as many as several hundred thousand an hour, and the high rate continues when the bodies have been significantly dried. Even when they have lost some 90% of their weight through dehydration, the bodies continue to release a small number of spores.<ref name="Ingold" /> It is found all year, but is most common in autumn.<ref name="Phillips" /> |
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| ⚫ | The species is widespread throughout Europe, but is not known to occur elsewhere.<ref name="wu2021"/> It was formerly thought to be a variable species with a worldwide distribution, but [[Molecular phylogenetics|molecular]] research, based on [[cladistic]] analysis of [[DNA sequences]], has shown that non-European species are distinct. The cultivated "A. auricula-judae" of China and East Asia is ''[[Auricularia heimuer]]''<ref name="wu2014"/> and, to a lesser extent, ''[[A. villosula]]''.<ref name="wu2015"/> The North American "A. auricula-judae" on broadleaf trees is ''[[Auricularia angiospermarum]]'', with ''[[Auricularia americana]]'' on conifers.<ref name="wu2021"/> |
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The species is widespread throughout Europe, but is not known to occur elsewhere.<ref name="wu2021"/> |
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==Uses== |
==Uses== |
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===Culinary use=== |
===Culinary use=== |
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''Auricularia auricula-judae'' has a soft, jelly-like texture. Though edible, it is not held in high culinary regard. It has been likened to "eating an Indian rubber with bones in it",<ref name="Harding"/> while in 19th-century Britain, it was said that "it has never been regarded here as an edible fungus".<ref name="Harding"/> The species is said to be commonly consumed in Poland.<ref name="Boa"/> |
''Auricularia auricula-judae'' has a soft, jelly-like texture. Though edible, it is not held in high culinary regard. It has been likened to "eating an Indian rubber with bones in it",<ref name="Harding"/> while in 19th-century Britain, it was said that "it has never been regarded here as an edible fungus".<ref name="Harding"/> The species is said to be commonly consumed in Poland.<ref name="Boa"/> A related fungus, [[Auricularia heimuer]], is widely used in East Asian cooking and has often been misidentified as ''Auricularia auricula-judae.'' |
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''Auricularia auricula-judae'' has a mild flavour, which may be considered bland.<ref name="Conte"/> It can be [[Drying (food)|dried]] and rehydrated,<ref name="Acton"/> sometimes swelling to 3 – 4 times in size.<ref name="Acton"/> The species is not edible when raw, needing to be cooked thoroughly.<ref name="Acton"/> A {{convert|100|g|oz|abbr=on}} reference serving of dried fungus provides {{convert|370|kcal|kJ|order=flip|abbr=off}} of [[food energy]], 10.6 g of [[dietary protein|protein]], 0.2 g of fat, 65 g of [[carbohydrate]], 5.8 g [[Ash (analytical chemistry)|ash]], and 0.03% mg of [[carotene]]. Fresh mushrooms contain about 90% moisture.<ref name=Hobbs1995/><ref name=Gilbert1957/> Dried specimens may be ground up into a powder and used to absorb excess liquid in soups and stews, as it rehydrates into tiny fragments.<ref name=Tomblin2007/> |
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===Medicinal use=== |
===Medicinal use=== |
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[[File:Gerard John 1545-1612 crop.jpg|thumb|left|16th-century [[herbalist]] [[John Gerard]] recommended ''Auricularia auricula-judae'' for curing a [[sore throat]].]] |
[[File:Gerard John 1545-1612 crop.jpg|thumb|left|The 16th-century [[herbalist]] [[John Gerard]] recommended ''Auricularia auricula-judae'' for curing a [[sore throat]].]] |
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''Auricularia auricula-judae'' has been used as a medicinal fungus by many [[herbalist]]s. It was used as a [[poultice]] to treat inflammations of the eye,<ref name="Mabey"/> as well as a [[palliative]] for throat problems.<ref name="Harding"/> The 16th-century herbalist [[John Gerard]], writing in 1597, recommended ''A. auricula-judae'' for a very specific use; other fungi were used more generally. He recommends the preparation of a liquid extract by boiling the fruit bodies in milk, or else leaving them steeped in beer, which would then be sipped slowly in order to cure a sore throat.<ref name="Harding"/> The resultant broth was probably not dissimilar to the Chinese soups that use ''[[Auricularia cornea]]''.<ref name="Harding"/> [[Carolus Clusius]], writing in 1601, also said that the species could be gargled to cure a sore throat,<ref name="Barrett"/> and [[John Parkinson (botanist)|John Parkinson]], writing in 1640, reported that boiling in milk or steeping in vinegar was "the onely use |
''Auricularia auricula-judae'' has been used as a [[medicinal fungi|medicinal fungus]] by many [[herbalist]]s. It was used as a [[poultice]] to treat inflammations of the eye,<ref name="Mabey"/> as well as a [[palliative]] for throat problems.<ref name="Harding"/> The 16th-century herbalist [[John Gerard]], writing in 1597, recommended ''A. auricula-judae'' for a very specific use; other fungi were used more generally. He recommends the preparation of a liquid extract by boiling the fruit bodies in milk, or else leaving them steeped in beer, which would then be sipped slowly in order to cure a sore throat.<ref name="Harding"/> The resultant broth was probably not dissimilar to the Chinese soups that use ''[[Auricularia cornea]]''.<ref name="Harding"/> [[Carolus Clusius]], writing in 1601, also said that the species could be gargled to cure a sore throat,<ref name="Barrett"/> and [[John Parkinson (botanist)|John Parkinson]], writing in 1640, reported that boiling in milk or steeping in vinegar was "the {{not a typo|onely}} use they are put unto that I know".<ref name="Barrett"/> |
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Writing in 1694, herbalist John Pechey described ''A. auricula-judae'' by saying "It grows to the Trunk of the Elder-Tree. Being dried it will keep a good year. Boyl'd in Milk, or infus'd in Vinegarm 'tis good to gargle the Mouth or Throat in Quinsies, and other inflammations of the Mouth and Throat. And being infus'd in some proper Water, it is good in Diseases of the Eyes."<ref name="Harding"/> The species also saw use as an [[astringent]] due to its ability to absorb water.<ref name="Harding"/> There are recorded medicinal usages from Scotland, where it was again used as a gargle for sore throats, and from Ireland, where, in an attempt to cure [[jaundice]], it was boiled in milk.<ref name="Allen"/> The medicinal use of ''A. auricula-judae'' continued until at least 1860, when it was still sold at [[Covent Garden]]; at the time, it was not considered edible in the United Kingdom.<ref name="Harding"/> |
Writing in 1694, the herbalist [[John Pechey]] described ''A. auricula-judae'' by saying "It grows to the Trunk of the Elder-Tree. Being dried it will keep a good year. Boyl'd in Milk, or infus'd in Vinegarm 'tis good to gargle the Mouth or Throat in Quinsies, and other inflammations of the Mouth and Throat. And being infus'd in some proper Water, it is good in Diseases of the Eyes."<ref name="Harding"/> The species also saw use as an [[astringent]] due to its ability to absorb water.<ref name="Harding"/> There are recorded medicinal usages from Scotland, where it was again used as a gargle for sore throats, and from Ireland, where, in an attempt to cure [[jaundice]], it was boiled in milk.<ref name="Allen"/> The medicinal use of ''A. auricula-judae'' continued until at least 1860, when it was still sold at [[Covent Garden]]; at the time, it was not considered edible in the United Kingdom.<ref name="Harding"/> |
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===Pharmacology=== |
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Numerous research papers have been published on possible medicinal applications of a fungus said to be "Auricularia auricula-judae" or "Auricularia auricula", but it is not always clear which species was used for research. At least some papers published from Asia have used locally-sourced material<ref name="Qu"/><ref name="Hu"/> and probably refer to ''[[Auricularia heimuer]]'' or other regional species known to have potential pharmaceutical applications.<ref name="wu2021"/> |
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==Cultural depictions== |
==Cultural depictions== |
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The species is referred to in [[Christopher Marlowe]]'s play ''[[The Jew of Malta]]'' |
The species is referred to in [[Christopher Marlowe]]'s play ''[[The Jew of Malta]]'', where Ithamore proclaims: "The hat he wears, Judas left under the elder when he hanged himself".<ref name="Folk"/><ref name="Marlowe"/> Later, the species was probably partially the inspiration for [[Emily Dickinson]]'s poem beginning "The Mushroom is the Elf of Plants", which depicts a mushroom as the "ultimate betrayer". Dickinson had both a religious and naturalistic background, and so it is more than likely that she knew of the common name of ''A. auricula-judae'', and of the folklore surrounding Judas's suicide.<ref name="Harding"/> |
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{{Quote box |quoted=true |qalign=center |salign=center |width=300px |align=center |
{{Quote box |quoted=true |qalign=center |salign=center |width=300px |align=center |
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|source= From [[Emily Dickinson]]'s "[[Wikisource:The Mushroom is the Elf of Plants —|The Mushroom is the Elf of Plants]]" |
|source= From [[Emily Dickinson]]'s "[[Wikisource:The Mushroom is the Elf of Plants —|The Mushroom is the Elf of Plants]]" |
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==See also== |
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*[[List of medicinal mushrooms]] |
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== References == |
== References == |
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<ref name="Mycobank">{{cite web |url=http://www.mycobank.org/MycoTaxo.aspx?Link=T&Rec=102281 |title=''Auricularia auricula-judae'' (Bull.) J. Schröt. 1888 |publisher=[[MycoBank]]. International Mycological Association |access-date=20 September 2010}}</ref> |
<ref name="Mycobank">{{cite web |url=http://www.mycobank.org/MycoTaxo.aspx?Link=T&Rec=102281 |title=''Auricularia auricula-judae'' (Bull.) J. Schröt. 1888 |publisher=[[MycoBank]]. International Mycological Association |access-date=20 September 2010}}</ref> |
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<ref name="Englishnames">{{cite web |url=http://www.fungi4schools.org/Reprints/ENGLISH_NAMES.pdf |title=Recommended English Names for Fungi in the UK |publisher=[[British Mycological Society]] |url |
<ref name="Englishnames">{{cite web |url=http://www.fungi4schools.org/Reprints/ENGLISH_NAMES.pdf |title=Recommended English Names for Fungi in the UK |publisher=[[British Mycological Society]] |archive-url=https://web.archive.org/web/20110716083053/http://www.fungi4schools.org/Reprints/ENGLISH_NAMES.pdf |archive-date=2011-07-16 }}</ref> |
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<ref name="wu2014">{{cite journal | |
<ref name="wu2014">{{cite journal |vauthors=Wu F, Yuan Y, Malysheva VF, Du P, Dai Y |date = 2014 |title =Species clarification of the most important and cultivated ''Auricularia'' mushroom "Heimuer": evidence from morphological and molecular data |journal=Phytotaxa |volume=186 |issue = 5 |pages=241–253 |doi= 10.11646/phytotaxa.186.5.1}}</ref> |
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<ref name="wu2015">{{cite journal | |
<ref name="wu2015">{{cite journal |vauthors= Wu F, Yuan Y, He S, Bandara AR, Hyde KD, Malysheva VF, Li D, Dai Y |date = 2015 |title =Global diversity and taxonomy of the ''Auricularia auricula-judae'' complex (Auriculariales, Basidiomycota) |journal=Mycological Progress |volume=14 |issue = 10 |doi= 10.1007/s11557-015-1113-4|s2cid = 16991202 }}</ref> |
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<ref name="wu2021">{{cite journal | |
<ref name="wu2021">{{cite journal |vauthors= Wu F, Tohtirjap A, Fan L, Zhou L, Alvarenga RL, Gibertoni TB, Dai Y |date = 2021 |title =Global diversity and updated phylogeny of ''Auricularia'' (Auriculariales, Basidiomycota) |journal=Journal of Fungi |volume=7 |issue = 11 |page = 933 |doi=10.3390/jof7110933|pmid = 34829220 |pmc = 8625027 |doi-access = free }}</ref> |
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<ref name=Linn1753>{{cite book |title=Species Plantarum |volume=2 |author=Linnaeus, Carl |year=1753 |page=1153 |publisher=Impensis Laurentii Salvii |url=https://www.biodiversitylibrary.org/page/359174}}</ref> |
<ref name=Linn1753>{{cite book |title=Species Plantarum |volume=2 |author=Linnaeus, Carl |year=1753 |page=1153 |publisher=Impensis Laurentii Salvii |url=https://www.biodiversitylibrary.org/page/359174}}</ref> |
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<ref name="Mabey">{{cite book|author= Mabey, Richard|year=1984|title= Food for Free|publisher= [[HarperCollins]]|page= 54|isbn= 0-00-633470-9}}</ref> |
<ref name="Mabey">{{cite book|author= Mabey, Richard|year=1984|title= Food for Free|publisher= [[HarperCollins]]|page= 54|isbn= 0-00-633470-9}}</ref> |
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<ref name="Allen">{{cite book|title= Medicinal Plants in Folk Tradition: An Ethnobotany of Britain & Ireland|year= 2004| |
<ref name="Allen">{{cite book|title= Medicinal Plants in Folk Tradition: An Ethnobotany of Britain & Ireland|year= 2004|author1=Allen, David E. |author2=Hatfield, Gabrielle |publisher= Timber Press |isbn= 978-0-88192-638-5|page= [https://archive.org/details/medicinalplantsi00davi/page/50 50]|url-access= registration|url= https://archive.org/details/medicinalplantsi00davi/page/50}}</ref> |
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<ref name="Sterry">{{cite book |title= Complete Guide to British Mushrooms & Toadstools|author1=Sterry, Paul |author2=Hughes, Barry |year= 2009|publisher= [[HarperCollins]]|isbn= 978-0-00-723224-6|page= 290}}</ref> |
<ref name="Sterry">{{cite book |title= Complete Guide to British Mushrooms & Toadstools|author1=Sterry, Paul |author2=Hughes, Barry |year= 2009|publisher= [[HarperCollins]]|isbn= 978-0-00-723224-6|page= 290}}</ref> |
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<ref name="Reid1970">{{cite journal | |
<ref name="Reid1970">{{cite journal |vauthors= Reid DA |date = 1970 |title =New or interesting records of British hymenomycetes, IV |journal=Transactions of the British Mycological Society |volume=55 |issue=3 |pages=413–441|doi = 10.1016/S0007-1536(70)80062-6 }}</ref> |
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<ref name="Kout">{{cite journal | |
<ref name="Kout">{{cite journal |vauthors=Kout, J, Wu F |date = 2022 |title =Revealing the cryptic diversity of wood-inhabiting ''Auricularia'' (Auriculariales, Basidiomycota) in Europe |journal=Forests |volume=13 |issue = 4 |page = 532 |doi=10.3390/f13040532|doi-access = free }}</ref> |
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<ref name="Worrall">{{cite journal |author1=Worrall, James J. |author2=Anagnost, Susan E. |author3=Zabel, Robert A. |year= 1997|title= Comparison of wood decay among diverse lignicolous fungi|journal= [[Mycologia]]|volume= 89|issue= 2|pages= 199–219|jstor= 3761073|url=http://www.cybertruffle.org.uk/cyberliber/59350/0089/002/0199.htm |doi= 10.2307/3761073}}</ref> |
<ref name="Worrall">{{cite journal |author1=Worrall, James J. |author2=Anagnost, Susan E. |author3=Zabel, Robert A. |year= 1997|title= Comparison of wood decay among diverse lignicolous fungi|journal= [[Mycologia]]|volume= 89|issue= 2|pages= 199–219|jstor= 3761073|url=http://www.cybertruffle.org.uk/cyberliber/59350/0089/002/0199.htm |doi= 10.2307/3761073}}</ref> |
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<ref name="Folk">{{cite book |title= Folk-Etymology|year= 1882|publisher= Haskell House|page= 195|url= https://books.google.com/books?id=fXrlvr_kPXwC&pg=PA195}}</ref> |
<ref name="Folk">{{cite book |title= Folk-Etymology|year= 1882|publisher= Haskell House|page= 195|url= https://books.google.com/books?id=fXrlvr_kPXwC&pg=PA195}}</ref> |
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<ref name="Qu">{{cite journal | |
<!-- <ref name="Qu">{{cite journal |vauthors=Qu H, Yi J, Gao X, Zhao H, Wang Z |year= 2019|title= Anti-disuse osteoporosis activity of a complex of calcium-binding peptide from ''Auricularia auricula'' protein hydrolysate|journal= Journal of Food Science |volume= 84|issue= 7|pages= 1909–1919|doi= 10.1111/1750-3841.14697|pmid= 31237973|s2cid= 195658404}}</ref> |
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| ⚫ | <ref name="Hu">{{cite journal |vauthors=Hu X, Liu C, Wang X, Jia D, Lu W, Sun X, Liu Y, Yuan L |year= 2017 |title= Hyperglycemic and anti-diabetic nephritis activities of polysaccharides separated from ''Auricularia auricular'' (sic) in diet-streptozotocin-induced diabetic rats |journal=Experimental and Therapeutic Medicine |volume= 13 |issue= 1 |pages= 352–358 |doi=10.3892/etm.2016.3943|pmid= 28123514 |pmc= 5244857 }}</ref> --> |
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| ⚫ | <ref name="Hu">{{cite journal | |
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<ref name="Marlowe">{{cite book |title= The Jew of Malta|last= Marlowe|first= Christopher|author-link= Christopher Marlowe|year= 1633|url= http://www.gutenberg.org/files/901/901-h/901-h.htm}}</ref> |
<ref name="Marlowe">{{cite book |title= The Jew of Malta|last= Marlowe|first= Christopher|author-link= Christopher Marlowe|year= 1633|url= http://www.gutenberg.org/files/901/901-h/901-h.htm}}</ref> |
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<ref name=Tomblin2007>{{cite book |author=Tomblin, Gill |title=How to Identify Edible Mushrooms |year=2007 |publisher=Harper Collins UK |isbn=978- |
<ref name=Tomblin2007>{{cite book |author=Tomblin, Gill |title=How to Identify Edible Mushrooms |year=2007 |publisher=Harper Collins UK |isbn=978-0-00-725961-8|page=146}}</ref> |
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<ref name="Phillips">{{cite book |title= Mushrooms and Other Fungi of Great Britain and Europe|author= Phillips, Roger|year= 1981|publisher= [[Pan Books]]|isbn= 0-330-26441-9|page=262}}</ref> |
<ref name="Phillips">{{cite book |title= Mushrooms and Other Fungi of Great Britain and Europe|author= Phillips, Roger|year= 1981|publisher= [[Pan Books]]|isbn= 0-330-26441-9|page=262}}</ref> |
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[[Category:Medicinal fungi]] |
[[Category:Medicinal fungi]] |
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[[Category:Judas Iscariot]] |
[[Category:Judas Iscariot]] |
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[[Category:Fungus species]] |
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Latest revision as of 09:46, 28 October 2024
| Auricularia auricula-judae | |
|---|---|
| |
| A young fruit body on fallen wood in England | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Auriculariales |
| Family: | Auriculariaceae |
| Genus: | Auricularia |
| Species: | A. auricula-judae
|
| Binomial name | |
| Auricularia auricula-judae | |
| Synonyms[1] | |
|
Species synonymy
| |
 | |
|---|---|
 | Smooth hymenium |
 | No distinct cap |
 | Hymenium attachment is not applicable |
| Lacks a stipe |
 | Spore print is white |
 | Ecology is saprotrophic or parasitic |
 | Edibility is edible |
Auricularia auricula-judae, commonly known as wood ear, jelly ear, or more historically, Jew's ear, is a species of fungus in the order Auriculariales. Basidiocarps (fruit bodies) are brown, gelatinous, and have a noticeably ear-like shape. They grow on wood, especially elder. The specific epithet is derived from the belief that Judas Iscariot hanged himself from an elder tree.
The fungus can be found throughout the year in Europe, where it normally grows on wood of broadleaf trees and shrubs. Auricularia auricula-judae was used in folk medicine as recently as the 19th century for complaints including sore throats, sore eyes and jaundice, and as an astringent. It is edible but not widely consumed.
Taxonomy
[edit]The species was first described as Tremella auricula by Carl Linnaeus in his 1753 Species Plantarum[2] and later (1789) redescribed by Jean Baptiste François Pierre Bulliard as Tremella auricula-judae.[1] In 1822, the Swedish mycologist Elias Magnus Fries accepted Bulliard's epithet and transferred the species to Exidia as Exidia auricula-judae. In so doing, Fries sanctioned the name, meaning that the species epithet "auricula-judae" takes priority over Linnaeus's earlier "auricula".
The species was given the name Auricularia auricula-judae in 1888 by Joseph Schröter.[1] The specific epithet of A. auricula-judae comprises auricula, the Latin word meaning ear, and Judae, meaning of Judas.[3] The name was criticised by the American mycologist Curtis Gates Lloyd, who said "Auricularia auricula-Judae is cumbersome and in addition is a slander on the Jews".[4] Though critical of Lucien Marcus Underwood, saying he "would probably not have known the Jew's ear from the calves' liver", he followed him in using Auricularia auricula, which was in turn used by the American mycologist Bernard Lowy in his monograph on the genus.[4] Despite this, Auricularia auricula-judae is the valid name for the species.[1][5]
The species was long thought to be somewhat variable in colour, habitat, and microscopic features but cosmopolitan in distribution, though Lowy considered it a temperate species and doubted that it occurred in the tropics.[4] Molecular research, based on cladistic analysis of DNA sequences, has, however, shown that Auricularia auricula-judae as previously understood comprises at least seven different species worldwide.[6][7] Since A. auricula-judae was originally described from Europe, the name is now restricted to the European species. The commercially cultivated Chinese and East Asian species, still frequently marketed and described as A. auricula-judae or A. auricula, is Auricularia heimuer (black wood ear).[8]
Vernacular names
[edit].jpg)
The fungus is associated with Judas Iscariot because of the belief that he hanged himself on an elder tree after his betrayal of Jesus Christ.[3] Folklore suggests that the ears are Judas's returned spirit,[9] and are all that are left to remind us of his suicide.[3] The medieval Latin name auricula Judae (Judas's Ear) matches the vernacular name in most European languages, such as the French oreille de Judas, or the German Judasohr.[10] The species was known as "fungus sambuca" among herbalists, in reference to Sambucus, the generic name for elder.[3] The mistranslation "Jew's Ear" appeared in English by 1544.[10] The English common name of the fungus was originally "Judas's ear", but this was later shortened to "Judas ear" and then "Jew's ear".[3] Common names for the fungus which refer to Judas can be traced back to at least the end of the 16th century;[11] for instance, in the 17th century, Thomas Browne wrote of the species:
In Jews' ears something is conceived extraordinary from the name, which is in propriety but fungus sambucinus, or an excrescence about the roots of elder, and concerneth not the nation of the Jews, but Judas Iscariot, upon a conceit he hanged on this tree; and is become a famous medicine in quinsies, sore throats, and strangulations, ever since.[12]
While the term "Jew's meat" was a deprecatory term used for all fungi in the Middle Ages,[13] the term is unrelated to the name "Jew's ear".[3] A further change of name to "jelly ear" was recommended in the List of Recommended Names for Fungi.[14] The idea was criticised by the author Patrick Harding, who considered it "to be the result of political correctness where it is not necessary", and who "will continue to call [the species] Jew's ear", explaining that, while anti-Semitism was commonplace in Britain, the name "Jew's ear" is in reference to Judas, who was a Jew.[3] However, the name is no longer favoured; the British Mycological Society recommends the name "jelly ear".[14] Other common names include the "ear fungus"[15] and the "common ear fungus".[16]
Description
[edit]
The fruit body of A. auricula-judae is normally up to 90 mm (3.5 in) across and up to 3 mm (0.12 in) thick. It is often reminiscent of a floppy ear, but can also be cup-shaped. It is attached to the substrate laterally and sometimes by a very short stalk. Fruit bodies have a tough, gelatinous, elastic texture when fresh, but dry hard and brittle.[17] The upper surface is a reddish-tan-brown with a purplish tint and finely pilose (covered in tiny, grey, downy hairs).[17] It can be smooth, as is typical of younger specimens,[11] or undulating with folds and wrinkles. The colour becomes darker with age.[17] The under surface is a lighter grey-brown and smooth, sometimes folded or wrinkled, and may have "veins", making it appear even more ear-like.[17]
Entirely white fruit bodies are occasionally encountered and were once given the name Auricularia lactea, but they are merely unpigmented forms and often occur in company with ordinary, pigmented fruit bodies.[18]
Microscopic features
[edit]The spores of A. auricula-judae are allantoid (sausage-shaped), 15-22 x 5-7 μm; the basidia are cylindrical, 65–85 × 4–5.5 μm, with three transverse septa (internal cross-walls). Hairs on the upper surface are 100-150 μm in length and 5-7.5 μm in diameter. They are hyaline, thick-walled, and have acute to rounded tips.[7]
Similar species
[edit]In Europe, the only similar species is Auricularia cerrina, recently described on oak (Quercus) from the Czech Republic, but probably more widespread in southern Europe. It can be distinguished by its dark grey to almost black fruit bodies.[19] The Asian Auricularia heimuer is very similar and has long been confused with A. auricula-judae. It can be distinguished microscopically by its shorter basidia and shorter spores (11–13 × 4–5 μm). The American Auricularia angiospermarum is also similar, but also has shorter basidia and spores (13–15 × 4.8–5.5 μm).[7]
Habitat, ecology and distribution
[edit].jpg)
Auricularia auricula-judae grows on the wood of deciduous trees and shrubs, particularly Sambucus nigra (elder).[17] It is also common on Acer pseudoplatanus (sycamore), Fagus sylvatica (beech), Fraxinus excelsior (ash), Euonymus europaeus (spindle), and in one particular case, the sycamore draining board of an old sink in Hatton Garden.[3] It very rarely grows on conifers.[19] It favours older branches, where it feeds as a saprotroph (on dead wood) or a weak parasite (on living wood),[3] and it causes a white rot.[20]
Commonly growing solitarily, it can also be gregarious (in a group) or caespitose (in a tuft).[21] Spores are ejected from the underside of the fruit bodies with as many as several hundred thousand an hour, and the high rate continues when the bodies have been significantly dried. Even when they have lost some 90% of their weight through dehydration, the bodies continue to release a small number of spores.[22] It is found all year, but is most common in autumn.[23]
The species is widespread throughout Europe, but is not known to occur elsewhere.[7] It was formerly thought to be a variable species with a worldwide distribution, but molecular research, based on cladistic analysis of DNA sequences, has shown that non-European species are distinct. The cultivated "A. auricula-judae" of China and East Asia is Auricularia heimuer[8] and, to a lesser extent, A. villosula.[6] The North American "A. auricula-judae" on broadleaf trees is Auricularia angiospermarum, with Auricularia americana on conifers.[7]
Uses
[edit]Culinary use
[edit]Auricularia auricula-judae has a soft, jelly-like texture. Though edible, it is not held in high culinary regard. It has been likened to "eating an Indian rubber with bones in it",[3] while in 19th-century Britain, it was said that "it has never been regarded here as an edible fungus".[3] The species is said to be commonly consumed in Poland.[16] A related fungus, Auricularia heimuer, is widely used in East Asian cooking and has often been misidentified as Auricularia auricula-judae.
Auricularia auricula-judae has a mild flavour, which may be considered bland.[24] It can be dried and rehydrated,[25] sometimes swelling to 3 – 4 times in size.[25] The species is not edible when raw, needing to be cooked thoroughly.[25] A 100 g (3.5 oz) reference serving of dried fungus provides 1,500 kilojoules (370 kilocalories) of food energy, 10.6 g of protein, 0.2 g of fat, 65 g of carbohydrate, 5.8 g ash, and 0.03% mg of carotene. Fresh mushrooms contain about 90% moisture.[26][27] Dried specimens may be ground up into a powder and used to absorb excess liquid in soups and stews, as it rehydrates into tiny fragments.[28]
Medicinal use
[edit]
Auricularia auricula-judae has been used as a medicinal fungus by many herbalists. It was used as a poultice to treat inflammations of the eye,[13] as well as a palliative for throat problems.[3] The 16th-century herbalist John Gerard, writing in 1597, recommended A. auricula-judae for a very specific use; other fungi were used more generally. He recommends the preparation of a liquid extract by boiling the fruit bodies in milk, or else leaving them steeped in beer, which would then be sipped slowly in order to cure a sore throat.[3] The resultant broth was probably not dissimilar to the Chinese soups that use Auricularia cornea.[3] Carolus Clusius, writing in 1601, also said that the species could be gargled to cure a sore throat,[11] and John Parkinson, writing in 1640, reported that boiling in milk or steeping in vinegar was "the onely use they are put unto that I know".[11]
Writing in 1694, the herbalist John Pechey described A. auricula-judae by saying "It grows to the Trunk of the Elder-Tree. Being dried it will keep a good year. Boyl'd in Milk, or infus'd in Vinegarm 'tis good to gargle the Mouth or Throat in Quinsies, and other inflammations of the Mouth and Throat. And being infus'd in some proper Water, it is good in Diseases of the Eyes."[3] The species also saw use as an astringent due to its ability to absorb water.[3] There are recorded medicinal usages from Scotland, where it was again used as a gargle for sore throats, and from Ireland, where, in an attempt to cure jaundice, it was boiled in milk.[15] The medicinal use of A. auricula-judae continued until at least 1860, when it was still sold at Covent Garden; at the time, it was not considered edible in the United Kingdom.[3]
Cultural depictions
[edit]The species is referred to in Christopher Marlowe's play The Jew of Malta, where Ithamore proclaims: "The hat he wears, Judas left under the elder when he hanged himself".[12][29] Later, the species was probably partially the inspiration for Emily Dickinson's poem beginning "The Mushroom is the Elf of Plants", which depicts a mushroom as the "ultimate betrayer". Dickinson had both a religious and naturalistic background, and so it is more than likely that she knew of the common name of A. auricula-judae, and of the folklore surrounding Judas's suicide.[3]
The Mushroom is the Elf of Plants —
At Evening, it is not —
At Morning, in a Truffled Hut
It stop upon a Spot
As if it tarried always
And yet its whole Career
Is shorter than a Snake's Delay
And fleeter than a Tare —
'Tis Vegetation's Juggler —
The Germ of Alibi —
Doth like a Bubble antedate
And like a Bubble, hie —
I feel as if the Grass was pleased
To have it intermit —
This surreptitious scion
Of Summer's circumspect.
Had Nature any supple Face
Or could she one contemn —
Had Nature an Apostate —
That Mushroom — it is Him!
References
[edit]- ^ a b c d "Auricularia auricula-judae (Bull.) J. Schröt. 1888". MycoBank. International Mycological Association. Retrieved 20 September 2010.
- ^ Linnaeus, Carl (1753). Species Plantarum. Vol. 2. Impensis Laurentii Salvii. p. 1153.
- ^ a b c d e f g h i j k l m n o p q r Harding, Patrick (2008). Mushroom Miscellany. HarperCollins. ISBN 978-0-00-728464-1.
- ^ a b c Lowy, Bernard (1952). "The genus Auricularia". Mycologia. 44 (5): 656–92. doi:10.1080/00275514.1952.12024226. ISSN 0027-5514. JSTOR 4547639.
- ^ "Auricularia auricula-judae (Bull.) Quél., Enchir. fung. (Paris): 207 (1886)". Species Fungorum. Retrieved 20 July 2011.
- ^ a b Wu F, Yuan Y, He S, Bandara AR, Hyde KD, Malysheva VF, Li D, Dai Y (2015). "Global diversity and taxonomy of the Auricularia auricula-judae complex (Auriculariales, Basidiomycota)". Mycological Progress. 14 (10). doi:10.1007/s11557-015-1113-4. S2CID 16991202.
- ^ a b c d e Wu F, Tohtirjap A, Fan L, Zhou L, Alvarenga RL, Gibertoni TB, Dai Y (2021). "Global diversity and updated phylogeny of Auricularia (Auriculariales, Basidiomycota)". Journal of Fungi. 7 (11): 933. doi:10.3390/jof7110933. PMC 8625027. PMID 34829220.
- ^ a b Wu F, Yuan Y, Malysheva VF, Du P, Dai Y (2014). "Species clarification of the most important and cultivated Auricularia mushroom "Heimuer": evidence from morphological and molecular data". Phytotaxa. 186 (5): 241–253. doi:10.11646/phytotaxa.186.5.1.
- ^ Kibby, Geoffrey (2003). Mushrooms and Toadstools of Britain and Northern Europe. Hamlyn. p. 225. ISBN 978-0-7537-1865-0.
- ^ a b "Oxford English Dictionary. "Erroneous rendering of medieval Latin auricula Judae Judas' ear"".
- ^ a b c d Barrett, Mary F. (1910). "Three common species of Auricularia". Mycologia. 2 (1): 12–8. doi:10.2307/3753627. ISSN 0027-5514. JSTOR 3753627.
- ^ a b Folk-Etymology. Haskell House. 1882. p. 195.
- ^ a b Mabey, Richard (1984). Food for Free. HarperCollins. p. 54. ISBN 0-00-633470-9.
- ^ a b "Recommended English Names for Fungi in the UK" (PDF). British Mycological Society. Archived from the original (PDF) on 16 July 2011.
- ^ a b Allen, David E.; Hatfield, Gabrielle (2004). Medicinal Plants in Folk Tradition: An Ethnobotany of Britain & Ireland. Timber Press. p. 50. ISBN 978-0-88192-638-5.
- ^ a b Boa, Eric (2004). Wild Edible Fungi: A Global Overview of their Use and Importance to People. Food and Agriculture Organisation. ISBN 978-92-5-105157-3.
- ^ a b c d e Sterry, Paul; Hughes, Barry (2009). Complete Guide to British Mushrooms & Toadstools. HarperCollins. p. 290. ISBN 978-0-00-723224-6.
- ^ Reid DA (1970). "New or interesting records of British hymenomycetes, IV". Transactions of the British Mycological Society. 55 (3): 413–441. doi:10.1016/S0007-1536(70)80062-6.
- ^ a b Kout, J, Wu F (2022). "Revealing the cryptic diversity of wood-inhabiting Auricularia (Auriculariales, Basidiomycota) in Europe". Forests. 13 (4): 532. doi:10.3390/f13040532.
- ^ Worrall, James J.; Anagnost, Susan E.; Zabel, Robert A. (1997). "Comparison of wood decay among diverse lignicolous fungi". Mycologia. 89 (2): 199–219. doi:10.2307/3761073. JSTOR 3761073.
- ^ Lowy 1952, p. 658
- ^ Ingold, C. T. (1985). "Water and spore discharge in Ascomycetes and Hymenomycetes". Transactions of the British Mycological Society. 85 (4): 575–583. doi:10.1016/s0007-1536(85)80250-3.
- ^ Phillips, Roger (1981). Mushrooms and Other Fungi of Great Britain and Europe. Pan Books. p. 262. ISBN 0-330-26441-9.
- ^ Conte, Anna Del; Læssøe, Thomas (2008). The Edible Mushroom Book. Dorling Kindersley. p. 91. ISBN 978-1-4053-3213-2.
- ^ a b c Acton, Johnny; Sandler, Nick (2001). Mushroom. Kyle Cathie. ISBN 978-1-85626-739-7.
- ^ Hobbs, Christopher. (1995). Medicinal Mushrooms: An Exploration of Tradition, Healing & Culture. Culinary Arts Ltd. p. 73. ISBN 1-884360-01-7.
- ^ Gilbert, Frank A.; Robinson, Radcliff F. (1957). "Food from fungi". Economic Botany. 11 (2): 126–45. doi:10.1007/BF02985303. JSTOR 4287926. S2CID 29535891.
- ^ Tomblin, Gill (2007). How to Identify Edible Mushrooms. Harper Collins UK. p. 146. ISBN 978-0-00-725961-8.
- ^ Marlowe, Christopher (1633). The Jew of Malta.
