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Species of fungus From Wikipedia, the free encyclopedia
Amanita pantherina, also known as the panther cap, false blusher, and the panther amanita[1] due to its similarity to the true blusher (Amanita rubescens), is a species of fungus found in Eurasia with poisonous and psychoactive properties.
| Amanita pantherina | |
|---|---|
| |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Amanitaceae |
| Genus: | Amanita |
| Species: | A. pantherina |
| Binomial name | |
| Amanita pantherina | |
Amanita pantherina | |
|---|---|
 | Gills on hymenium |
 | Cap is flat |
 | Hymenium is free |
 | Stipe has a ring and volva |
 | Spore print is white |
 | Ecology is mycorrhizal |
 | Edibility is poisonous or psychoactive |
Other than the brownish cap with white warts, distinguishing features of A. pantherina include the collar-like roll of volval tissue at the top of the basal bulb, and the elliptical, inamyloid spores. Unlike A. rubescens, the panther cap does not color red/pink ("blush") when the flesh is damaged, hence its name "false blusher". This is a key feature in differentiating both species.[citation needed]
The panther cap is an uncommon mushroom, found in both deciduous, especially beech and, less frequently, coniferous woodland and rarely meadows throughout Europe, western Asia in late summer and autumn.[4] It has also been recorded from South Africa, where it is thought to have been accidentally introduced with trees imported from Europe and Asia.[5]
It is an ectomycorrhizal fungus, living in root symbiosis with a tree, deriving photosynthesised nutrients from it and providing soil nutrients in return.
A. pantherina is toxic; if consumed fresh, it may not be fatal to humans. It can cause diarrhea, vomiting, and hyperhidrosis, which can lead to severe dehydration.[citation needed]
Varieties multisquamosa and velatipes are considered poisonous.[6]
A. pantherina contains the psychoactive compounds ibotenic acid and muscimol,[7] two psychoactive constituents which can cause effects such as hallucinations, synaesthesia, euphoria, dysphoria and retrograde amnesia. The effects of muscimol and ibotenic acid most closely resemble that of a Z drug, like Ambien at high doses, and not a classical psychedelic, e.g. psilocybin.
A. pantherina is used as an entheogen much less often than its much more distinguishable relative A. muscaria, largely due to being less recognizable and far more potent.[8][better source needed] A. muscaria contains a higher concentration of ibotenic acid.[9] While ibotenic acid is mostly broken down by the body into muscimol, what remains of the ibotenic acid is believed[according to whom?] to cause the majority of dysphoric effects of consuming psychedelic Amanita species. Ibotenic acid is also a scientifically important neurotoxin used in lab research as a brain-lesioning agent in mice.[10][11]
As with other wild-growing mushrooms, the ratio of ibotenic acid to muscimol depends on countless external factors, including: season, age, and habitat—and percentages will naturally vary from mushroom to mushroom—with dark brown A. pantherina specimens having a greater concentration of ibotenic acid.[12]
A. muscaria and A. pantherina are illegal to buy, sell, or possess in the Netherlands since December 2008. Possession of amounts larger than 0.5 g dried or 5 g fresh lead to a criminal charge.[13]
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