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Gymnopilus

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Gymnopilus
Gymnopilus luteofolius
Scientific classification
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Genus:
Gymnopilus

Diversity
c. 200 species

Gymnopilus is a genus of gilled mushrooms within the fungal family Strophariaceae containing about 200[1] rusty-orange spored mushroom species formerly divided among Pholiota and the defunct genus Flammula. The fruiting body is typically reddish brown to rusty orange to yellow, medium to large, often with a well-developed veil. Most members of Gymnopilus grow on wood but at times may appear terrestrial if the wood is buried or decomposed. Members of Pholiota and Cortinarius are easy to confuse with Gymnopilus. Pholiota can be distinguished by its viscid cap and duller (brown to cinnamon brown) spores, and Cortinarius grows on the ground. Beginners can confuse Gymnopilus with Galerina, which contains deadly poisonous species.

The Gymnopilus genus has over 200 species worldwide.[2]

The name means naked pileus.

Psychoactive species

14 members of Gymnopilus contain psilocybin,[3] although their bitter taste often deters recreational users. These species include G. aeruginosus, G. braendlei, G. cyanopalmicola, [4] G. intermedius, G. junonius, G. liquiritiae, G. luteofolius, G. luteoviridis, G. luteus, G. purpuratus,[4] G. subearlei,[4] G. subpurpuratus,[4] Gymnopilus validipes and Gymnopilus viridans.[5] Subspecies of G. junonius from Japan are reported to contain psilocybin, while some western North American members are inactive.[6]

Several species of Gymnopilus contain bis-noryangonin [4-hydroxy-6-(4-hydrostyryl)-2-pyrone] and hispidine [4-hydroxy-6-(3,4-dihydroxystyryl)-2-pyrone], which are closely related to the alpha-pyrones found in kava.[7]

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References

  1. ^ Kirk PM, Cannon PF, Minter DW, Stalpers JA. (2008). Dictionary of the Fungi (10th ed.). Wallingford: CABI. p. 298. ISBN 978-0-85199-826-8.{{cite book}}: CS1 maint: multiple names: authors list (link)
  2. ^ Cite error: The named reference GuzmanDavalos2003 was invoked but never defined (see the help page).
  3. ^ Guzmán, Gastón; Allen, John W.; Gartz, Jochen (1998). "A worldwide geographical distribution of the neurotropic fungi, an analysis and discussion" (PDF). Ann. Mus. civ. Rovereto. 14: 189.
  4. ^ a b c d e Guzmán-Dávalos L. (2006). International Journal of Medicinal Mushrooms. 8 (3): 289–293. ISSN 1521-9437. {{cite journal}}: Missing or empty |title= (help)
  5. ^ Gymnopilus Chemistry, Entheogen review, Vol VII No. 3
  6. ^ http://www.svims.ca/ff0608.pdf
  7. ^ G. M. Hatfield, L. R. Brady (1969). "Occurrence of bis-noryangonin in Gymnopilus spectabilis". Journal of Pharmaceutical Sciences. 58 (10): 1298–99. doi:10.1002/jps.2600581039. PMID 5388695.
  • C.J. Alexopolous, Charles W. Mims, M. Blackwell et al., Introductory Mycology, 4th ed. (John Wiley and Sons, Hoboken NJ, 2004) ISBN 0-471-52229-5
  • Worldwide distribution of Neurotropic Fungi
  • Hesler, L. R. (1969). North American species of Gymnopilus. New York: Hafner. 117 pp.