Amanita gemmata: Difference between revisions
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==Amanita gemmata== | |||
'''''Amanita gemmata''''', commonly known as the gemmed amanita or jonquil amanita, is a species of [[fungus]] in the [[Amanitaceae]] family. This [[basidiomycete]] fungus is notable for its distinctive appearance and its toxic properties. | |||
===Description=== | |||
''Amanita gemmata'' is characterized by its yellow to orange-yellow [[pileus|cap]], which is typically 5 to 10 cm in diameter. The cap surface is smooth and often adorned with white, warty remnants of the [[universal veil]]. The [[gills]] are free, crowded, and white, while the [[stipe|stem]] is white to pale yellow, measuring 5 to 12 cm in height and 1 to 2 cm in thickness. The stem often features a fragile, skirt-like [[annulus (mycology)|annulus]]. | |||
The [[spore print]] of ''Amanita gemmata'' is white, and the [[spores]] are smooth, ellipsoid, and measure 8–10 by 6–7 µm. The [[volva]] at the base of the stem is usually not prominent. | |||
===Distribution and Habitat=== | |||
''Amanita gemmata'' is found in [[temperate]] regions of the [[Northern Hemisphere]], including [[North America]], [[Europe]], and parts of [[Asia]]. It typically grows in [[coniferous]] and [[deciduous]] forests, often forming [[mycorrhizal]] associations with various tree species. The fruiting bodies appear from late spring to autumn. | |||
===Toxicity=== | |||
''Amanita gemmata'' contains [[ibotenic acid]] and [[muscimol]], which are psychoactive compounds also found in the related species ''[[Amanita muscaria]]''. Ingestion of this mushroom can lead to symptoms such as nausea, vomiting, diarrhea, confusion, hallucinations, and in severe cases, [[coma]]. Due to its toxic nature, ''Amanita gemmata'' should not be consumed. | |||
===Similar Species=== | |||
''Amanita gemmata'' can be confused with other yellow-capped species of ''Amanita'', such as ''[[Amanita muscaria]]'' var. ''guessowii'' and ''[[Amanita pantherina]]''. Careful examination of the cap color, presence of veil remnants, and habitat can aid in distinguishing these species. | |||
==Related pages== | |||
* [[Amanita muscaria]] | |||
* [[Amanita pantherina]] | |||
* [[Mycorrhiza]] | |||
* [[Fungal toxins]] | |||
{{Amanitas}} | |||
[[Category:Amanita|gemmata]] | |||
[[Category:Poisonous fungi]] | |||
[[Category:Fungi of Europe]] | |||
[[Category:Fungi of North America]] | |||
Latest revision as of 00:42, 19 February 2025
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Amanita gemmata
Amanita gemmata[edit]
Amanita gemmata, commonly known as the gemmed amanita or jonquil amanita, is a species of fungus in the Amanitaceae family. This basidiomycete fungus is notable for its distinctive appearance and its toxic properties.
Description[edit]
Amanita gemmata is characterized by its yellow to orange-yellow cap, which is typically 5 to 10 cm in diameter. The cap surface is smooth and often adorned with white, warty remnants of the universal veil. The gills are free, crowded, and white, while the stem is white to pale yellow, measuring 5 to 12 cm in height and 1 to 2 cm in thickness. The stem often features a fragile, skirt-like annulus.
The spore print of Amanita gemmata is white, and the spores are smooth, ellipsoid, and measure 8–10 by 6–7 µm. The volva at the base of the stem is usually not prominent.
Distribution and Habitat[edit]
Amanita gemmata is found in temperate regions of the Northern Hemisphere, including North America, Europe, and parts of Asia. It typically grows in coniferous and deciduous forests, often forming mycorrhizal associations with various tree species. The fruiting bodies appear from late spring to autumn.
Toxicity[edit]
Amanita gemmata contains ibotenic acid and muscimol, which are psychoactive compounds also found in the related species Amanita muscaria. Ingestion of this mushroom can lead to symptoms such as nausea, vomiting, diarrhea, confusion, hallucinations, and in severe cases, coma. Due to its toxic nature, Amanita gemmata should not be consumed.
Similar Species[edit]
Amanita gemmata can be confused with other yellow-capped species of Amanita, such as Amanita muscaria var. guessowii and Amanita pantherina. Careful examination of the cap color, presence of veil remnants, and habitat can aid in distinguishing these species.
