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Collybia nuda

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Collybia nuda
Wood blewit
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Tricholomataceae
Genus: Collybia
Species:
C. nuda
Binomial name
Collybia nuda
Synonyms[1]

Agaricus nudus Bull. (1790)
Cortinarius nudus (Bull.) Gray (1821)
Gyrophila nuda (Fr.) Quél. (1886)
Lepista nuda (Bull.) Cooke (1871)
Tricholoma nudum (Bull.) P.Kumm. (1871)
Rhodopaxillus nudus (Bull.) Maire (1913) Tricholoma personatum var. nudum (Bull.) Rick (1961)

Collybia nuda
View the Mycomorphbox template that generates the following list
Gills on hymenium
Cap is convex or umbonate
Hymenium is emarginate
Stipe is bare
Spore print is buff
Ecology is saprotrophic
Edibility is choice

Collybia nuda, commonly known as the blewit[2] or wood blewit[3][4] and previously described as Lepista nuda and Clitocybe nuda, is an edible mushroom native to Europe and North America. Described by Pierre Bulliard in 1790, it was also known as Tricholoma nudum for many years. It is found in both coniferous and deciduous woodlands. It is a fairly distinctive mushroom that is widely eaten. It has been cultivated in Britain, the Netherlands and France. This species was reassigned to the genus Collybia in 2023.[5]

Taxonomy and naming

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The French mycologist Pierre Bulliard described the wood blewit in his work Herbier de la France in 1790 as Agaricus nudus, reporting that it was common in the woods all year. He wrote of two varieties: one whose gills and cap are initially light violet and mature to burgundy, while the other has wine-coloured gills that intensify in colour with age. He added that the first variety was often confused with Cortinarius violaceus, though it has a "nude" cap and no spidery web veil unlike the other species.[6] English naturalist James Bolton gave it the name Agaricus bulbosa—the bulbous agaric—in his An History of Fungusses growing about Halifax in 1791. He noted that it was rare in the region, though had found some in Ovenden.[7]

German mycologist Paul Kummer placed it in the genus Tricholoma in 1871,[8] the same year that English botanist Mordecai Cubitt Cooke placed it in Lepista.[9] It was known by these names for many years, with some authors accepting Lepista and while others retained the wood blewit in Tricholoma. In 1969 Howard E. Bigelow and Alexander H. Smith reviewed Lepista and reclassified it as a subgenus of Clitocybe[10] Finnish mycologist Harri Harmaja has called for the sinking of Lepista into Clitocybe, with C. nebularis as the type species of the latter genus.[11] Hence the wood blewit is classified as either Lepista nuda or Clitocybe nuda.[12]

A 2015 genetic study found that the genera Collybia and Lepista were closely related to the core clade of Clitocybe, but that all three were polyphyletic, with many members in lineages removed from other members of the same genus and instead more closely related to the other two. To complicate matters, the wood blewit is not closely related to the type species of Lepista, L. densifolia. Alvarado and colleagues declined to define the genera but proposed several options and highlighted the need for a wider analysis.[12]

The species is commonly known as the wood blewit. Cooke called it the amethyst lepista,[9] John Sibthorp called it the blue-gilled agaric in his 1794 work Flora Oxoniensis.[13]

Description

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This mushroom can range from lilac to purple-pink. Some North American specimens are duller and tend toward tan, but usually have purplish tones on the stem and gills. Younger specimens are lighter with more convex caps, while mature specimens have a darker color and flatter cap, ranging from 4–15 cm (1+5⁄8–5+7⁄8 in) in diameter.[14] The gills are attached to the short, stout stem, which is about 2–6 cm (3⁄4–2+3⁄8 in) long and 1–2.5 cm wide,[14] sometimes larger at the base.[15] Wood blewits have a very distinctive odor, which has been likened by one author to that of frozen orange juice.[16]

Wood blewits can be easily distinguished by their odor, as well as by their spore print, which is white to pale pink.[17]

Lepista nuda

Similar species

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Wood blewits can be confused with certain blue or purple species of the genus Cortinarius,[14] including the uncommon C. camphoratus,[18] many of which may be poisonous. Cortinarius mushrooms often have the remains of a veil under their caps and a ring-like impression on their stem. Cortinarius species produce a rusty brown spore print after several hours on white paper. Their brown spores often dust their stems and objects beneath them.[17]

The species also resembles Collybia brunneocephala, Clitocybe tarda, Laccaria amethysteo-occidentalis, and Lepista subconnexa.[14]

Distribution and habitat

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The wood blewit is found in Europe and North America and is becoming more common in Australia, where it appears to have been introduced. In Australia it has developed a relationship with some eucalyptus species and gorse; with an entirely different growth pattern and differs slightly in appearance to its European Lepista nuda cousins.

It is a saprotrophic species, growing on decaying leaf litter. In the United Kingdom, it appears from September through to December.

Soil analysis of soil containing mycelium from a wood blewit fairy ring under Norway spruce (Picea abies) and Scots pine (Pinus sylvestris) in southeast Sweden yielded fourteen halogenated low molecular weight organic compounds, three of which were brominated and the others chlorinated. It is unclear whether these were metabolites or pollutants. Brominated compounds are unknown as metabolites from terrestrial fungi.[19]

The form glaucocana is found in mountainous environs.[15]

Ecology

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In Australia, male satin bowerbirds collect blue objects to decorate their bowers with. A young male was reported to have collected wood blewits to this end near Braidwood in southern New South Wales.[20]

Edibility

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Wood blewits are good edible mushrooms.[21]

Blewits can be eaten as a cream sauce or sautéed in butter.[22] They can also be cooked like tripe or as omelette filling, and also make good stewing mushrooms.[23] They have a strong flavour, so they combine well with leeks or onions.[18]

Wood blewits can be dried,[14] or can be preserved in olive oil or white vinegar after blanching.[18]

The wood blewit has been cultivated in Britain, the Netherlands and France.[24][page needed] Cultivated wood blewits are said not to taste as good as wild wood blewits.[18]

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References

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  1. ^ "Clitocybe nuda (Bull.) H.E. Bigelow & A.H. Sm. 1969". MycoBank. International Mycological Association. Retrieved 2012-02-06.
  2. ^ Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. ISBN 978-0-89815-169-5.
  3. ^ Mance, Kim (3 March 2013). "A Mushroom Cave in France That'll Make You Feel Like You're Shrooming". Condé Nast. Retrieved 5 January 2018.
  4. ^ "Bluefoot Mushroom". Washington Post. Retrieved 5 January 2018.
  5. ^ He, Zheng-Mi; Chen, Zuo-Hong; Bau, Tolgor; Wang, Geng-Shen; Yang, Zhu L. (November 2023). "Systematic arrangement within the family Clitocybaceae (Tricholomatineae, Agaricales): phylogenetic and phylogenomic evidence, morphological data and muscarine-producing innovation". Fungal Diversity. 123 (1): 1–47. doi:10.1007/s13225-023-00527-2. ISSN 1560-2745.
  6. ^ Bulliard JPF (1790). Herbier de la France (in French). Vol. 8. Paris: Chez l'auteur, Didot, Debure, Belin. p. plate 439.
  7. ^ Bolton J (1791). An History of Fungusses growing about Halifax. Vol. Appendix. Self-published. p. 147.
  8. ^ Kummer P (1871). Der Führer in die Pilzkunde (in German) (1 ed.). Zerbst, Germany: Luppe. p. 132.
  9. ^ a b Cooke M.C. (1871). Handbook of British Fungi, with Full Descriptions of All the Species, and Illustrations of the Genera. Vol. 1. London: Macmillan and Co. p. 192.
  10. ^ Bigelow HE, Smith AH (1969). "The status of Lepista—a new section of Clitocybe". Brittonia. 21 (2): 144–77. doi:10.2307/2805523. JSTOR 2805523. S2CID 29545895.
  11. ^ Harmaja, H. (2003). Notes on Clitocybe s. lato (Agaricales). Ann. Bot. Fennici 40: 213-218.
  12. ^ a b Alvarado P, Moreno G, Vizzini A, Consiglio G, Manjón JL, Setti L (2015). "Atractosporocybe, Leucocybe and Rhizocybe, three new clitocyboid genera in the Tricholomatoid clade (Agaricales) with notes on Clitocybe and Lepista". Mycologia. 107 (1): 123–36. doi:10.3852/13-369. hdl:2318/152676. PMID 25344261. S2CID 22901826.
  13. ^ Sibthorp J (1794). Flora Oxoniensis, Exhibens Plantas in Agro Oxoniensi Sponte Crescentes. Oxford, United Kingdom: Fletcher, Hanwell & Cook. p. 346.
  14. ^ a b c d e Davis, R. Michael; Sommer, Robert; Menge, John A. (2012). Field Guide to Mushrooms of Western North America. Berkeley: University of California Press. pp. 25, 151–152. ISBN 978-0-520-95360-4. OCLC 797915861.
  15. ^ a b Trudell, Steve; Ammirati, Joe (2009). Mushrooms of the Pacific Northwest. Timber Press Field Guides. Portland, OR: Timber Press. p. 93. ISBN 978-0-88192-935-5.
  16. ^ Arora D (1986). Mushrooms Demystified. Berkeley, California: Ten Speed Press. ISBN 978-0-89815-169-5.
  17. ^ a b McFarland, Joe; Mueller, Gregory M (2009). Edible Wild Mushrooms of Illinois & Surrounding States: A Field-To-Kitchen Guide. University of Illinois Press. pp. 57–58. ISBN 978-0-252-07643-5.
  18. ^ a b c d Jordan P (2006). Field Guide to Edible Mushrooms of Britain and Europe. New Holland Publishers. pp. 76–77, 150. ISBN 978-1-84537-419-8.
  19. ^ Hjelm, Olof (1996). "Analysis of halogenated organic compounds in coniferous forest soil from a Lepista nuda (wood blewitt) fairy ring". Chemosphere. 32 (9): 1719–28. Bibcode:1996Chmsp..32.1719H. doi:10.1016/0045-6535(96)00089-6. ISSN 0045-6535.
  20. ^ Todd F. Elliott; Peter A. Marshall (2016). "Animal-Fungal Interactions 1: Notes on Bowerbird's Use of Fungi". Australian Zoologist. 38 (1): 59–61. doi:10.7882/AZ.2015.032.
  21. ^ Miller Jr., Orson K.; Miller, Hope H. (2006). North American Mushrooms: A Field Guide to Edible and Inedible Fungi. Guilford, CN: FalconGuide. p. 183. ISBN 978-0-7627-3109-1.
  22. ^ Meuninck, Jim (2017). Foraging Mushrooms Oregon: Finding, Identifying, and Preparing Edible Wild Mushrooms. Falcon Guides. p. 103. ISBN 978-1-4930-2669-2.
  23. ^ Mabey R (2004). Food for Free. HarperCollins. ISBN 978-0-00-718303-6.
  24. ^ Carluccio A (2003). The Complete Mushroom Book. Quadrille. ISBN 978-0-8478-2556-1.
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