Gymnopilus validipes

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Gymnopilus validipes
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Cortinariaceae
Genus: Gymnopilus
Species: G. validipes
Binomial name
Gymnopilus validipes
((Peck) Hesler)
Synonyms

Cortinarius validipes Gymnopolis magna

Gymnopilus validipes
Mycological characteristics
gills on hymenium
32px cap is convex
32px 32px

hymenium is adnexed

or adnate
32px stipe has a ring
32px spore print is yellow-orange
32px ecology is saprotrophic
32px edibility: psychoactive

Gymnopilus validipes is a widely distributed mushroom of North America and Europe. Gymnopilus validipes contains the hallucinogens psilocybin and psilocin. The mild taste of this mushroom stands in contrast to closely related bitter species. Validipes means "having a robust stalk." Gymnopilus validipes contains about 0.12% psilocybin.[1]


Description

  • Pileus: (4)7.5 — 15(30) cm, Convex to broadly convex, margin deeply incurved at first, becoming revolute with age, dry, fibrillose or with small ochraceous brown scales, pale-yellow or ochraceous buff, flesh soft, whitish, yellowish near the gills.
  • Gills: Adnate to uncinate, close, thin, yellowish white becoming cinnamon.
  • Spore Print: Orangish brown.
  • Stipe: (7.5)10 — 13(25) cm. long, (1.5)2.5 — 5 cm. thick, equal or swelling in the middle, fleshy-fibrous, solid, elastic, fibrillose, concolorous, white within, the cortina leaves only a faint ring on the robust stalk.
  • Taste: Mild.
  • Odor: Pleasant.
  • Microscopic features: Spores (7.5)8 — 10 X 5 — 6, ellipsoid.

Habitat and formation

Gymnopilus validipes is found growing gregarious to cespitose on tree stumps, hardwood logs and debris, widespread in the United States, common from the Great Lakes and eastward.

See also

References

  • Stamets, Paul (1996). Psilocybin Mushrooms of the World. Berkeley: Ten Speed Press. ISBN 0-9610798-0-0. 
  • Hesler, L. R. (1969). North American species of Gymnopilus. New York: Hafner. 117 pp.


      
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