Gymnopilus_validipes

<i>Gymnopilus validipes</i>

Gymnopilus validipes

Species of fungus

Gymnopilus validipes is a mushroom in the family Hymenogastraceae. It is widely distributed in North America and Europe.

Quick Facts Gymnopilus validipes, Scientific classification ...
Quick Facts Gymnopilus validipesMycological characteristics ...

Description

  • Pileus: 7.5 — 15 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: 10 — 13 cm long, 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 stalk. The specific epithet validipes means "having a robust stalk".
  • Taste: Mild, standing in contrast to closely related bitter-tasting species.
  • Odor: Pleasant.
  • Microscopic features: Spores 8 — 10 X 5 — 6 μm, ellipsoid.

Gymnopilus validipes contains the hallucinogens psilocybin and psilocin, the latter at a concentration of around 0.12%.[1]

Habitat and formation

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

See also

References

  1. [1]
    Psilocybin Mushrooms of the World
  • 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.

Media related to Gymnopilus validipes at Wikimedia Commons
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