Inocybe corydalina var. corydalina
Encyclopedia
Inocybe corydalina var. corydalina, commonly known as the Greenflush Fibrecap, is a member of the genus Inocybe
Inocybe
Inocybe is a large, complex genus of mushrooms. Members of Inocybe are mycorrhizal, and some evidence shows that the high degree of speciation in the genus is due to adaptation to different trees and perhaps even local environments.-Description:...

 which is widely distributed in temperate forests. It is a small mycorrhizal mushroom which contains a small amount of hallucinogen psilocybin
Psilocybin
Psilocybin is a naturally occurring psychedelic prodrug, with mind-altering effects similar to those of LSD and mescaline, after it is converted to psilocin. The effects can include altered thinking processes, perceptual distortions, an altered sense of time, and spiritual experiences, as well as...

.

Description

  • Cap: 3.5–5 cm diameter, buff to brown brown, often with greenish tones, conic to convex or plane in age, with or without an umbo, with appressed fibrillose squamules on the cap which are more frequent towards the center, and an incurved margin. The center of the cap is darker brown to greenish, sometimes black and the flesh is white.
  • Gills: adnate and very numerous, pale cream brown to grayish buff.
  • Spores: Smooth and lemon shaped, measuring 8 x 5.5 micrometres, dull brown, often with a bluish-grayish stem base.
  • Stipe: 2.5–10 cm long, 4 to 6 mm thick, and is equal width for the whole length, sometimes with some swelling at the base. The upper part of the stem is smooth and the lower part is fibrillose. Has a cortinate partial veil which soon disappears.
  • Taste:
  • Odor: Aromatic.
  • Microscopic features: Pleurocystidia 33-70 by 9-21 micrometers, clavate cylindrical. Cheilocystidia are not common and look like pleurocystidia.

Distribution and habitat

Inocybe corydalina var. corydalina is widespread across Europe, North America and the British Isles. It usually fruits in the fall under deciduous trees but can also be found under conifers.

Edibility

Gurevich and Nezoiminogo reported that this mushroom contains the mycotoxin muscarine
Muscarine
Muscarine, L--muscarine, or muscarin is a natural product found in certain mushrooms, particularly in Inocybe and Clitocybe species, such as the deadly C. dealbata. Mushrooms in the genera Entoloma and Mycena have also been found to contain levels of muscarine which can be dangerous if ingested...

but no psilocybin; other researchers have been unable to confirm this result. Chemical analysis by Stijve and Kuyper shows that it contains 0.032% psilocybin, a very low concentration.

External links

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