Macrolepiota procera: Difference between revisions
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'''''Macrolepiota procera''''', the '''parasol mushroom''', is a [[basidiomycota|basidiomycete]] [[fungus]] with a large, prominent [[fruiting body]] resembling a [[parasol]]. It is a fairly common [[species]] on well-drained soils. It is found solitary or in groups and [[fairy ring]]s in [[pasture]]s and occasionally in woodland. |
'''''Macrolepiota procera''''', the '''parasol mushroom''', is a [[basidiomycota|basidiomycete]] [[fungus]] with a large, prominent [[fruiting body]] resembling a [[parasol]]. It is a fairly common [[species]] on well-drained soils. It is found solitary or in groups and [[fairy ring]]s in [[pasture]]s and occasionally in [[woodland]]. It is widespread in [[temperate]] [[regions]] of Eurasia and possibly North America. Further research is needed to confirm whether specimens found in North America are the same species.<ref>{{cite web|url=http://www.mushroomexpert.com/macrolepiota_procera.html|access-date=Jan 26, 2024|title=Macrolepiota procera}}</ref> |
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==Taxonomy== |
==Taxonomy== |
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==Description== |
==Description== |
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The height and cap diameter of a mature specimen may both reach 30 |
The height and cap diameter of a mature specimen may both reach 30 to 40 (50) cm. The [[Stipe (mycology)|stipe]] is relatively thin and reaches full height before the cap has expanded. The stipe is very fibrous in texture which renders it inedible (unless dried and ground). The surface is characteristically wrapped in a [[Snake scales|snakeskin]]-like pattern of [[scale (zoology)|scaly]] growths (therefore, known in some parts of Europe as the "snake's hat" or "snake's sponge"). The immature cap is compact and [[egg-shaped]], with the cap margin around the stipe, sealing a chamber inside the cap. As it matures, the margin breaks off, leaving a fleshy, movable [[Annulus (mycology)|ring around the stipe]]. At full [[Sexual maturity|maturity]], the cap is more or less flat, with a chocolate-brown [[Umbo (mycology)|umbo]] in the centre that is leathery to touch. Dark and cap-coloured flakes remain on the upper surface of the cap and can be removed easily. The [[gill (mushroom)|gill]]s are crowded, free, and white with a pale pink tinge sometimes present. The [[spore print]] is white. It has a pleasant nutty smell. When sliced, the white flesh may turn a pale pink. |
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==Uses== |
==Uses== |
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These mushrooms are popularly sauteed in melted butter. In central and eastern European countries this mushroom is usually prepared similarly to a [[cutlet]]. It is usually run through egg and breadcrumbs and then fried in a pan with some oil or butter. A savory Slovak recipe is to bake caps stuffed with ground pork, oregano, and garlic. Italians and Austrians also serve the young, still spherical caps stuffed with seasoned minced beef, baked in the same manner as stuffed peppers. |
These mushrooms are popularly sauteed in melted butter. In central and eastern European countries this mushroom is usually prepared similarly to a [[cutlet]]. It is usually run through egg and breadcrumbs and then fried in a pan with some oil or butter. A savory Slovak recipe is to bake caps stuffed with ground pork, oregano, and garlic. Italians and Austrians also serve the young, still spherical caps stuffed with seasoned minced beef, baked in the same manner as stuffed peppers. |
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While the cap can be eaten any number of ways, the hollow, fibrous stem and the bulb are often discarded. However, they can be dried and ground into mushroom powder for use in eg. soups, stews and sauces. |
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==Similar species== |
==Similar species== |
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[[File:Parasol-1.jpg|thumb|200px|left| |
[[File:Parasol-1.jpg|thumb|200px|left|''Macrolepiota procera'', the parasol mushroom]] |
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Smaller but similar in appearance is the common [[shaggy parasol]] (''Chlorophyllum rhacodes'' |
Smaller but similar in appearance is the common [[shaggy parasol]] (''Chlorophyllum rhacodes''). Chlorophyllum rhacodes, and other species in Chlorophyllum section Rhacodium, lacks the aforementioned snakeskin pattern on the stipe, this can help make distinctions between M. procera and Chlorophyllum rhacodes. Its edibility is suspect as it causes mild sickness in some people, especially when eaten raw. One must learn to distinguish the two as their geographical ranges overlap. |
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Differences from the parasol mushroom include its smaller dimensions, pungent (fruity) and reddening flesh when cut, lack of patterns on its stipe, and very shaggy cap surface. |
Differences from the parasol mushroom include its smaller dimensions, pungent (fruity) and reddening flesh when cut, lack of patterns on its stipe, and very shaggy cap surface. |
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*''[[Leucocoprinus brunnea]]'', also found in North America, slowly turns brown when sliced. |
*''[[Leucocoprinus brunnea]]'', also found in North America, slowly turns brown when sliced. |
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*White and immature species of ''[[Amanita]]'' are also a potential hazard. To be sure, one must only pick parasol mushrooms past their button stage. A general [[rule of thumb]] with the parasol mushroom as compared to amanita species is that the parasol mushroom has darker flakes on a lighter surface, whereas amanita species have the opposite, lighter flakes (if there are any) on a darker surface, such as the [[Amanita pantherina|Panther cap]]. This rule of thumb does not apply everywhere like to the species [[Amanita smithiana |
*White and immature species of ''[[Amanita]]'' are also a potential hazard. To be sure, one must only pick parasol mushrooms past their button stage. A general [[rule of thumb]] with the parasol mushroom as compared to amanita species is that the parasol mushroom has darker flakes on a lighter surface, whereas amanita species have the opposite, lighter flakes (if there are any) on a darker surface, such as the [[Amanita pantherina|Panther cap]]. This rule of thumb does not apply everywhere like to the species ''[[Amanita smithiana]]''. |
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*The '''Saffron Parasol''' ''[[Cystoderma amianthinum]]'' is very much smaller, and not often eaten. |
*The '''Saffron Parasol''' ''[[Cystoderma amianthinum]]'' is very much smaller, and not often eaten. |
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*''[[Lepiota brunneoincarnata]]'' is a lepiota species known to have caused fatal poisonings in Spain. It is much smaller than ''Macrolepiota procera''. |
*''[[Lepiota brunneoincarnata]]'' is a lepiota species known to have caused fatal poisonings in Spain. It is much smaller than ''Macrolepiota procera''. |
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File:Edible fungi in basket 2019 G2.jpg|Picked mushroom caps in basket |
File:Edible fungi in basket 2019 G2.jpg|Picked mushroom caps in basket |
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File:Unopened parasol mushroom.jpg |
File:Unopened parasol mushroom.jpg |
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</gallery> |
</gallery> |
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[[Category:Fungi of Finland]] |
[[Category:Fungi of Finland]] |
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[[Category:Taxa named by Giovanni Antonio Scopoli]] |
[[Category:Taxa named by Giovanni Antonio Scopoli]] |
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[[Category:Fungus species]] |
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Latest revision as of 18:48, 26 January 2024
| Macrolepiota procera | |
|---|---|
| |
| A young parasol mushroom | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Agaricaceae |
| Genus: | Macrolepiota |
| Species: | M. procera
|
| Binomial name | |
| Macrolepiota procera | |
| Synonyms[1] | |
Macrolepiota procera | |
|---|---|
 | Gills on hymenium |
 | Cap is umbonate |
 | Hymenium is free |
 | Stipe has a ring |
 | Spore print is white |
 | Ecology is saprotrophic |
 | Edibility is choice |
Macrolepiota procera, the parasol mushroom, is a basidiomycete fungus with a large, prominent fruiting body resembling a parasol. It is a fairly common species on well-drained soils. It is found solitary or in groups and fairy rings in pastures and occasionally in woodland. It is widespread in temperate regions of Eurasia and possibly North America. Further research is needed to confirm whether specimens found in North America are the same species.[2]
Taxonomy
[edit]The fungus was first described in 1772 by Italian naturalist Giovanni Antonio Scopoli, who named it Agaricus procerus.[3] Rolf Singer transferred it to the genus Macrolepiota in 1948.[4]
Description
[edit]The height and cap diameter of a mature specimen may both reach 30 to 40 (50) cm. The stipe is relatively thin and reaches full height before the cap has expanded. The stipe is very fibrous in texture which renders it inedible (unless dried and ground). The surface is characteristically wrapped in a snakeskin-like pattern of scaly growths (therefore, known in some parts of Europe as the "snake's hat" or "snake's sponge"). The immature cap is compact and egg-shaped, with the cap margin around the stipe, sealing a chamber inside the cap. As it matures, the margin breaks off, leaving a fleshy, movable ring around the stipe. At full maturity, the cap is more or less flat, with a chocolate-brown umbo in the centre that is leathery to touch. Dark and cap-coloured flakes remain on the upper surface of the cap and can be removed easily. The gills are crowded, free, and white with a pale pink tinge sometimes present. The spore print is white. It has a pleasant nutty smell. When sliced, the white flesh may turn a pale pink.
Uses
[edit]Macrolepiota procera is a choice edible mushroom.[5][6] It is very sought-after and popular in Europe, due in part to its large size, seasonal frequency, and versatility in the kitchen. In the UK, it may be found from July through to November.
The parasol mushroom is difficult to mistake for any other, especially in regions like Europe where the poisonous look-alike Chlorophyllum molybdites is rare. The spores and lamellae of C. molybdites are notably greener in appearance.[6] Nevertheless, as with picking any fungus for consumption, caution should be exercised at all times.
Macrolepiota procera is also edible raw, though its close lookalikes in the genus Chlorophyllum are toxic raw.
These mushrooms are popularly sauteed in melted butter. In central and eastern European countries this mushroom is usually prepared similarly to a cutlet. It is usually run through egg and breadcrumbs and then fried in a pan with some oil or butter. A savory Slovak recipe is to bake caps stuffed with ground pork, oregano, and garlic. Italians and Austrians also serve the young, still spherical caps stuffed with seasoned minced beef, baked in the same manner as stuffed peppers.
While the cap can be eaten any number of ways, the hollow, fibrous stem and the bulb are often discarded. However, they can be dried and ground into mushroom powder for use in eg. soups, stews and sauces.
Similar species
[edit]
Smaller but similar in appearance is the common shaggy parasol (Chlorophyllum rhacodes). Chlorophyllum rhacodes, and other species in Chlorophyllum section Rhacodium, lacks the aforementioned snakeskin pattern on the stipe, this can help make distinctions between M. procera and Chlorophyllum rhacodes. Its edibility is suspect as it causes mild sickness in some people, especially when eaten raw. One must learn to distinguish the two as their geographical ranges overlap.
Differences from the parasol mushroom include its smaller dimensions, pungent (fruity) and reddening flesh when cut, lack of patterns on its stipe, and very shaggy cap surface.
Macrolepiota mastoidea, a European species, is yet another very large edible mushroom. Its dimensions are generally smaller than that of M. procera and the markings on its stipe less obvious. It is also much rarer.
Species of Agaricus have brown spores and the gills of mature specimens are never white.
There are a few poisonous species which can be mistaken for M. procera.
- Chlorophyllum molybdites, a species that causes the largest number of annual mushroom poisonings in North America due to its close similarity. Faintly green gills and a pale green spore print give it away. Furthermore, this mushroom lacks the aforementioned snakeskin pattern that is generally present on the parasol mushroom.[7] Its range is reportedly expanding into Europe.[8][9]
- Leucocoprinus brunnea, also found in North America, slowly turns brown when sliced.
- White and immature species of Amanita are also a potential hazard. To be sure, one must only pick parasol mushrooms past their button stage. A general rule of thumb with the parasol mushroom as compared to amanita species is that the parasol mushroom has darker flakes on a lighter surface, whereas amanita species have the opposite, lighter flakes (if there are any) on a darker surface, such as the Panther cap. This rule of thumb does not apply everywhere like to the species Amanita smithiana.
- The Saffron Parasol Cystoderma amianthinum is very much smaller, and not often eaten.
- Lepiota brunneoincarnata is a lepiota species known to have caused fatal poisonings in Spain. It is much smaller than Macrolepiota procera.
Gallery
[edit]-
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A breaded parasol mushroom -
Picked mushroom caps in basket -
.jpg)
References
[edit]- ^ "GSD Species Synonymy: Macrolepiota procera (Scop.) Singer". Species Fungorum. CAB International. Retrieved 2015-10-22.
- ^ "Macrolepiota procera". Retrieved Jan 26, 2024.
- ^ Scopoli JA. (1772). Flora carniolica (in Latin). Vol. 2 (2 ed.). Vienna: K.P. Krause. p. 441.
- ^ Singer R. (1948). "New and interesting species of Basidiomycetes. II". Papers of the Michigan Academy of Sciences. 32: 103–150 (see p. 141).
- ^ Phillips, Roger (2010). Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. p. 34. ISBN 978-1-55407-651-2.
- ^ a b Miller Jr., Orson K.; Miller, Hope H. (2006). North American Mushrooms: A Field Guide to Edible and Inedible Fungi. Guilford, CN: FalconGuide. p. 53. ISBN 978-0-7627-3109-1.
- ^ "How to not pass up a parasol and how not to". Archived from the original on 14 December 2017. Retrieved 28 November 2009.
- ^ Macrolepiota rhacodes and Chlorophyllum molybdites poisoning
- ^ Loizides M, Kyriakou T, Tziakouris A. (2011). Edible & Toxic Fungi of Cyprus (in Greek and English). Published by the authors. pp. 132–33. ISBN 978-9963-7380-0-7.
External links
[edit]
Media related to Macrolepiota procera at Wikimedia Commons
Data related to Macrolepiota procera at Wikispecies
