Tricholoma caligatum

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Tricholoma caligatum
Tricholoma caligatum 1.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Tricholomataceae
Genus: Tricholoma
Species:
T. caligatum
Binomial name
Tricholoma caligatum
(Viv.) Ricken (1915)
Synonyms [1]
  • Agaricus caligatusViv. (1834)
  • Armillaria caligata(Viv.) Gillet (1874)
  • Sphaerocephalus caligatus(Viv.) Raithelhuber (1979)
  • Sphaerocephalus caligatum(Viv.) Raithelhuber (1979)

Tricholoma caligatum is a mushroom of the agaric genus Tricholoma . It is a large species with a distinct sheathing ring on the stem, found in mycorrhizal association with various trees throughout the Mediterranean. It is sometimes referred to as the European Matsutake, [2] though it is certainly gastronomically inferior to the true Matsutake ( Tricholoma matsutake ), a related species highly prized in Japan.

Contents

Taxonomy and name

Tricholoma caligatum was originally described in 1834 as "Agaricus caligatus" and was transferred to genus Tricholoma in 1914. Considerable controversy exists regarding the application of this name to Central European and North American collections, which likely represent different species. [3] [4]

The name caligatum (Latin: 'boot') refers to the appearance of the mushroom, which looks like it is wearing a boot due to the presence of dark fibrils on the lower portion of the stem. [5]

Description

The cap (pileus) is hemispherical at first, soon becoming convex to flat, reaching 12–15 cm in diameter, and it is covered in large, chestnut to dark-brown fibrous scales or patches. [5] The inrolled cap edge tends to host cottony bits of partial veil. [5] The gills (lamellae) are adnate to sinuate, crowded, whitish to cream (and reddish-brown-spotted in age). [5] The stem (stipe) is 4–12 cm long, tapering and somewhat rooting at the base, and has a well-developed cottony ring covering the gills when young. Below the ring the stem is covered in dark bands of scales, which are the same colour as the cap. The flesh is thick and fibrous, and has a distinct, spicy, penetrating smell resembling nutmeg or allspice. The spore print is white. [6] [7] [8] [9] [10]

Ecology and distribution

Tricholoma caligatum is a strictly Southern species, locally common in Mediterranean woods. It is associated with several conifers, such as Pinus pinea , Pinus halepensis , Pinus nigra , Pinus brutia , and Pinus pinaster , but also with evergreen oaks, strawberry trees and terebinth bushes. [11] [12] [13] [14] It appears in coastal and high altitude woods in autumn and winter. According to Christensen & Heilmann-Clausen, North American reports of this fungus likely represent a different species. [15]

Edibility

Tricholoma caligatum is considered edible, although fruitbodies are often bitter, particularly when found under hardwoods. [16] The bitterness seems to vary from one collection to another and is removed by parboiling. It is regularly consumed along the Mediterranean coast, and is highly valued in the island of Cyprus, where is considered a delicacy pickled and preserved in brine or vinegar. [17] Conflicting reports regarding the species' edibility may be due to the poor taste and odor of some specimens, or confusion with other species. [5]

Tricholoma caligatum
Information icon.svg
Gills icon.png Gills on hymenium
Convex cap icon.svg Cap is convex
Adnate gills icon2.svg Hymenium is adnate
Ring stipe icon.svg Stipe has a ring
Transparent spore print icon.svg
Spore print is white
Mycorrhizal fungus.svgEcology is mycorrhizal
Mycomorphbox Edible.pngMycomorphbox Choice.pngEdibility is edible or choice

Similar species

Tricholoma magnivelare is similar, and is more populous than T. caligatum in the Pacific Northwest; it also appears elsewhere in North America, Europe, and Asia. [5]

See also

Related Research Articles

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<i>Tricholoma magnivelare</i> Species of fungus

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<i>Tricholoma pardinum</i> Species of agaric fungus endemic to North America, Europe, and parts of Asia

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<i>Lepiota brunneoincarnata</i> Species of fungus

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<i>Tricholoma terreum</i> Species of fungus

Tricholoma terreum, commonly known as the grey knight or dirty tricholoma, is a grey-capped mushroom of the large genus Tricholoma. It is found in coniferous woodlands in Europe, and has also been encountered under introduced pine trees in Australia and New Zealand. It is regarded as edible. A 2014 article speculated that it may be poisonous, but Sitta et al. in 2016 published in the same journal a counter article demonstrating the unfounded nature of such speculation.

<i>Cystodermella cinnabarina</i> Species of fungus

Cystodermella cinnabarina is a basidiomycete fungus of the genus Cystodermella. Its fruiting body is a small agaric bearing a distinctive reddish-coloured grainy cap. It occurs in coniferous and deciduous forests throughout the world. Prior to 2002, this species belonged to genus Cystoderma, subsection Cinnabarina, under the name Cystoderma cinnabarinum which is still sometimes applied. Another often used synonym is Cystoderma terreyi.

<i>Lactarius sanguifluus</i> Species of fungus

Lactarius sanguifluus, commonly known as the bloody milk cap, is a species of fungus in the family Russulaceae. First described from France in 1811, the species was given its current name by Elias Fries in 1838 when he transferred it to Lactarius. Found in Asia, Mediterranean Africa, and Europe, fruit bodies (mushrooms) grow scattered or in groups on the ground under conifers, especially Douglas fir. When bruised or cut, the fruit bodies ooze a blood-red to purple latex that slowly turns greenish upon exposure to air. The caps are orangish to reddish-brown, and become funnel-shaped with age. The gills are pinkish to purplish. Different forms have been described from Italy, but these are not universally accepted as distinct. L. sanguifluus mushrooms are edible, and sold in rural markets of Europe and Asia. Fruit bodies grown in polluted soil, including roadsides subject to heavy traffic, can bioaccumulate toxic heavy metals. Several sterols and pigment have been isolated and identified from the mushrooms.

<i>Amanita ceciliae</i> Species of fungus

Amanita ceciliae, commonly called snakeskin grisette, strangulated amanita, and the Cecilia's ringless amanita, is a basidiomycete fungus in the genus Amanita. First described in 1854 by Miles Joseph Berkeley and Christopher Edmund Broome, it was given its current name by Cornelis Bas in 1984. It is characterized by bearing a large fruit body with a brown cap 5–12 cm (2.0–4.7 in) across. The cap has charcoal-grey patches, which are easily removable. The stipe is 7–18 cm (2.8–7.1 in) long, white in colour, and there is no ring on it. It is slightly tapered to the top, and has irregular cottony bands girdling the base. The universal veil is grey. Spores are white, spherical in shape, non-amyloid, and measure 10.2–11.7 micrometres. The mushrooms are considered edible, but field guides typically advise caution in selecting them for consumption, due to risks of confusion with similar toxic species. A. ceciliae is found in woods throughout Europe and North America, where it fruits during summer and autumn.

<i>Tricholoma album</i> Species of fungus

Tricholoma album, commonly known as the white knight, is an all-white mushroom of the large genus Tricholoma. It is found in Europe, India, and possibly North America. The cap and gills are white. The whitish stipe has no ring.

<i>Tricholoma portentosum</i> Species of fungus

Tricholoma portentosum, commonly known as the charbonnier, streaked tricholoma, or sooty head, in North America, is a grey-capped edible mushroom of the large genus Tricholoma. It is found in woodlands in Europe and North America.

References

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