Psilocybe azurescens
Encyclopedia
Psilocybe azurescens is a psychedelic mushroom
Psychedelic mushroom
Psilocybin mushrooms are fungi that contain the psychoactive compounds psilocybin and psilocin. There are multiple colloquial terms for psilocybin mushrooms, the most common being shrooms or magic mushrooms....

 whose main active compounds are 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...

 and psilocin
Psilocin
Psilocin , an aromatic compound, sometimes also spelled psilocine, psilocyn, or psilotsin, is a psychedelic mushroom alkaloid. It is found in most psychedelic mushrooms together with its phosphorylated counterpart psilocybin...

. It is among the most potent of the tryptamine-bearing mushrooms, containing up to 1.8% psilocybin, 0.5% psilocin, and 0.4% baeocystin
Baeocystin
Baeocystin is a mushroom alkaloid and analog of the psychedelic hallucinogenic drug psilocybin, a tryptamine derivative. It is found as a minor compound in most psychoactive mushrooms together with psilocybin, norbaeocystin, and psilocin...

 by dry weight, averaging to about 1.1% psilocybin and 0.15% psilocin. It belongs to the family Strophariaceae
Strophariaceae
The Strophariaceae are a family of fungi in the order Agaricales. The family contains 18 genera and 1316 species. The species of Strophariaceae have a red-brown to dark brown spore print, while the spores themselves are smooth and have an apical germ pore. These agarics are also characterized by...

 in the order Agaricales
Agaricales
The fungal order Agaricales, also known as gilled mushrooms , or euagarics, contains some of the most familiar types of mushrooms. The order has 33 extant families, 413 genera, and over 13000 described species, along with five extinct genera known only from the fossil record...

.

Appearance

The cap (pileus
Pileus (mycology)
The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp that supports a spore-bearing surface, the hymenium. The hymenium may consist of lamellae, tubes, or teeth, on the underside of the pileus...

) of Psilocybe azurescens is 30–100 mm in diameter, conic to convex, expanding to broadly convex and eventually flattening with age with a pronounced, persistent broad umbo
Umbo (mycology)
thumb|right|[[Cantharellula umbonata]] has an umbo.thumb|right|The cap of [[Psilocybe makarorae]] is acutely papillate.An umbo is a raised area in the center of a mushroom cap. Caps that possess this feature are called umbonate. Umbos that are sharply pointed are called acute, while those that are...

; surface smooth, viscous when moist, covered by a separable gelatinous pellicle
Pellicle
Pellicle may refer to:*Pellicle , a thin layer supporting the cell membrane in various protozoa*Pellicle mirror, a thin plastic membrane which may be used as a beam splitter or protective cover in optical systems...

; chestnut to ochraceous brown to caramel in color often becoming pitted with dark blue or bluish black zones, hygrophanous
Hygrophanous
The adjective hygrophanous refers to the color change of mushroom tissue as it loses or absorbs water, which causes the pileipellis to become more transparent when wet and opaque when dry....

, fading to light straw color in drying, strongly bruising blue when damaged; margin even, sometimes irregular and eroded at maturity, slightly incurved at first, soon decurved, flattening with maturity, translucent striate and often leaving a fibrillose annular zone in the upper regions of the stipe. Lamellae ascending, sinuate to adnate, brown, often stained info-black where injured, close, with two tiers of lamellulae, mottled, edges withish. Spore-print dark purplish brown to purplish black in mass. Stipe
Stipe (mycology)
thumb|150px|right|Diagram of a [[basidiomycete]] stipe with an [[annulus |annulus]] and [[volva |volva]]In mycology a stipe refers to the stem or stalk-like feature supporting the cap of a mushroom. Like all tissues of the mushroom other than the hymenium, the stipe is composed of sterile hyphal...

 90–200 mm long by 3–6 mm thick, silky white, dingy brown from the base or in age, hollow at maturity. Composed of twisted, cartilaginous tissue. Base of stipe thickening downwards, often curved, and characterized by coarse white aerial tufts of mycelium
Mycelium
thumb|right|Fungal myceliaMycelium is the vegetative part of a fungus, consisting of a mass of branching, thread-like hyphae. The mass of hyphae is sometimes called shiro, especially within the fairy ring fungi. Fungal colonies composed of mycelia are found in soil and on or within many other...

, often with azure tones. Mycelium surrounding stipe base densely rhizomorphic (i.e., root-like), silky white, tenaciously holding the wood-chips together, strongly bruising bluish upon disturbance. They have no odor to slightly farinaceous. Their taste is extremely bitter.

Habitat and distribution

Cespitose to gregarious on deciduous
Deciduous
Deciduous means "falling off at maturity" or "tending to fall off", and is typically used in reference to trees or shrubs that lose their leaves seasonally, and to the shedding of other plant structures such as petals after flowering or fruit when ripe...

 wood-chips and/or in sandy soils rich in lignicolous debris. The mushroom has an affinity for coastal dune grasses. Aspect collyboid, generating an extensive, dense and tenacious mycelial mat, Psilocybe azurescens causes the whitening of wood. Fruitings begin in late September and continue until "late December and early January."

Psilocybe azurescens has been cultivated in Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

, New Zealand and the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 (California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, New Mexico
New Mexico
New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...

, Ohio
Ohio
Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

, Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

, Vermont
Vermont
Vermont is a state in the New England region of the northeastern United States of America. The state ranks 43rd in land area, , and 45th in total area. Its population according to the 2010 census, 630,337, is the second smallest in the country, larger only than Wyoming. It is the only New England...

, Wisconsin
Wisconsin
Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...

, Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

.).

This species occurs naturally in coastal dune grasses only along a small area of the West Coast of the United States
West Coast of the United States
West Coast or Pacific Coast are terms for the westernmost coastal states of the United States. The term most often refers to the states of California, Oregon, and Washington. Although not part of the contiguous United States, Alaska and Hawaii do border the Pacific Ocean but can't be included in...

. It has been regularly found as far south as Tillamook, Oregon
Tillamook, Oregon
The city of Tillamook is the county seat of Tillamook County, Oregon, United States. The city is located on the southeast end of Tillamook Bay on the Pacific Ocean. The population was 4,352 at the 2000 census...

, and as far north as Grays Harbor County, Washington
Grays Harbor County, Washington
Grays Harbor County is a county in the state of Washington, in the United States of America. As of 2010, the population was 72,797. The county seat is at Montesano, and its largest city is Aberdeen. The county is named after a large estuarine bay near its southwestern corner...

. It is primarily clustered around the Columbia River
Columbia River
The Columbia River is the largest river in the Pacific Northwest region of North America. The river rises in the Rocky Mountains of British Columbia, Canada, flows northwest and then south into the U.S. state of Washington, then turns west to form most of the border between Washington and the state...

 Delta, with the first type collections being made in Hammond, Oregon, near Astoria
Astoria, Oregon
Astoria is the county seat of Clatsop County, Oregon, United States. Situated near the mouth of the Columbia River, the city was named after the American investor John Jacob Astor. His American Fur Company founded Fort Astoria at the site in 1811...

. It is also quite prevalent north of the Columbia River in Washington, from Long Beach
Long Beach, Washington
Long Beach is a city in Pacific County, Washington, United States. The population was 1,283 at the 2000 census and grew to 1,392 at the 2010 census...

 north to Westport
Westport, Washington
Westport is a city in Grays Harbor County, Washington, United States. The city's population was 2,099 at the 2010 census.Westport is located on a peninsula on the south side of the entrance to Grays Harbor from the Pacific Ocean. The public Westport Marina is the largest marina on the outer coast...

. Cape Disappointment State Park
Cape Disappointment State Park
Cape Disappointment State Park, formerly known as Fort Canby State Park, is a park located southwest of Ilwaco, Washington. The park is located on the southern part of Long Beach Peninsula, which is fronted by the Pacific Ocean. The park is one of several state parks and sites in Washington and...

, near Ilwaco, Washington
Ilwaco, Washington
Ilwaco is a city in Pacific County, Washington, United States. The population was 950 at the 2000 census and decreased to 936 at the 2010 census.-History:...

, has a large population but harvesting is a potential felony that is enforced by local law enforcement agencies. Fort Stevens State Park, near Hammond, Oregon, has a very large population near the south jetty and the park features many programs during the mushroom season of interest to potential azurescens hunters.

Legal status

Possession and/or cultivation of this species is illegal in a number of countries including the United States, and it is considered a Class A Drug in New Zealand.

Effects

See Psilocybin: Effects.
Alkaloid Concentration of Dried Psilocybin Mushrooms
Name Psilocybin [mg/g] Psilocin [mg/g] Baeocystin [mg/g] Total [mg/g]
Psilocybe azurescens
1.78
0.38
0.35
2.51
Psilocybe cubensis
Psilocybe cubensis
Psilocybe cubensis is a species of psychedelic mushroom whose principal active compounds are psilocybin and psilocin. Commonly called Boomers, Cubes or Gold Caps, it belongs to the Strophariaceae family of fungi and was previously known as Stropharia cubensis.-Taxonomy and naming:The species was...

0.63
0.60
0.025
1.26

External links

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