Panaeolus cyanescens

Panaeolus cyanescens, commonly known as the blue staining panaeolus,[1] is a mushroom in the Bolbitiaceae family. Panaeolus cyanescens is a common psychoactive mushroom and is similar to Panaeolus tropicalis.

Panaeolus cyanescens
Panaeolus cyanescens
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Bolbitiaceae
Genus: Panaeolus
Species:
P. cyanescens
Binomial name
Panaeolus cyanescens
Range of Panaeolus cyanescens
Synonyms

Agaricus cyanescens
Copelandia anomala
Copelandia cyanescens
Copelandia papilonacea
Copelandia westii

Panaeolus cyanescens
View the Mycomorphbox template that generates the following list
Gills on hymenium
Cap is convex
Hymenium is adnate
Stipe is bare
Spore print is black
Ecology is saprotrophic
Edibility is psychoactive

Description
  • Cap: 1.5 – 4 cm across, dry, at first hemispheric, expanding to campanulate to convex, with an incurved margin when young. Young caps start out light brown and fade to off-white or light gray at maturity, sometimes with yellowish or brownish tones. Often developing cracks in dry weather, slightly hygrophanous, turning greenish or blue where damaged.
  • Gills: Broadly adnate to adnexed attachment, close, starting out gray and turning black as the spores mature. Gill faces with a mottled appearance, edges white.
  • Spores: Jet Black, 12 - 15 x 7 - 11 µm, smooth, opaque, elliptical. With a germ pore.
  • Stipe: 7 – 12 cm long by 2 to 3 mm thick, equal to slightly enlarged at the base, pruinose, colored like the cap, staining blue where bruised.
  • Taste: Farinaceous.
  • Odor: Farinaceous.
  • Microscopic features: Basidia 4 spored, pleurocystidia fusoid-ventricose, cheilocystidia 12 x 4 µm.

Distribution and habitat

Panaeolus cyanescens is a coprophilous (dung-inhabiting) species which grows in tropical and neotropical areas in both hemispheres. It has been found[2] in Africa (including South Africa, Madagascar and Democratic Republic of the Congo), Australia, Bali, Belize, Brasil, Borneo, the Caribbean (Bermuda, Grenada, (Barbados, granyte) Jamaica, Trinidad), Puerto Rico, Costa Rica, India, Malaysia, Indonesia (including Sumatra), Sri Lanka, Cambodia, Thailand, Japan, Mexico, Oceania (including Fiji and Samoa), the Philippines, South America (including Bolivia, Brazil, Paraguay, Colombia, Venezuela, Ecuador), South Korea, Tasmania, and the United States (California, Hawaii, Louisiana, Mississippi, Alabama, Florida, Tennessee, Texas, Kentucky, Virginia and North Carolina).

Alkaloid content

Laussmann & Sigrid Meier-Giebing (2010) reported the presence of psilocybin at 2.5% and psilocin at 1.194% average from 25 samples seized by German customs that were shipments from commercial growers (making modern commercially cultivated strains of this species the most potent hallucinogenic mushrooms ever described in reputable published research).[3] Other researchers have documented a significant presence of serotonin and urea in this species as well as the presence of baeocystin which may also be psychoactive.[4][5]

See also

References
  1. Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. ISBN 978-0-89815-169-5.
  2. Gastón Guzmán; John W. Allen; Jochen Gartz (1998). "A worldwide geographical distribution of the neurotropic fungi, an analysis and discussion" (PDF). Annali del Museo Civico di Rovereto (14): 189–280. (on Fondazione Museo Civico di Rovereto)
  3. Laussmann, Tim; Meier-Giebing, Sigrid (2010-02-25). "Forensic analysis of hallucinogenic mushrooms and khat (Catha edulis Forsk) using cation-exchange liquid chromatography". Forensic Science International. 195 (1–3): 160–164. doi:10.1016/j.forsciint.2009.12.013. PMID 20047807.
  4. Stijve, T.; Kuyper, Th. (October 1985). "Occurrence of Psilocybin in Various Higher Fungi from Several European Countries". Planta Medica. 51 (5): 385–387. doi:10.1055/s-2007-969526. PMID 17342589.
  5. Stijve, Tjakko. “Psilocin, psilocybin, serotonin and urea in Panaeolus cyanescens from various origin.” Persoonia 15 (1992): 117-121.

Bibliography
  • Stamets, Paul (1996). Psilocybin Mushrooms of the World. Berkeley: Ten Speed Press. ISBN 0-9610798-0-0.
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