| 词条 | Turbinellus floccosus |
| 释义 |
| image = Gomphus_floccosus_6051.JPG | image_width = 234px | image_caption = Found in Mount Baker-Snoqualmie National Forest | regnum = Fungi | divisio = Basidiomycota | classis = Agaricomycetes | ordo = Gomphales | familia = Gomphaceae | genus = Turbinellus | species = T. floccosus | binomial = Turbinellus floccosus | binomial_authority = (Schwein.) Earle ex Giachini & Castellano (2011) | synonyms ={{collapsible list|bullets=true |Cantharellus floccosus Schwein. (1832) |Gomphus floccosus (Schwein.) Singer (1945) |Gomphus canadensis (Klotzsch ex Berk.) Corner (1966) |Cantharellus canadensis Klotzsch ex Berk (1839) |Cantharellus princeps Berk. & M.A. Curtis (1859) |Merulius floccosus (Schwein.) Kuntze (1891) |Merulius princeps (Berk. & M.A. Curtis) Kuntze (1891) |Neurophyllum floccosum (Schwein.) R. Heim (1954) |Trombetta canadensis (Klotzsch ex Berk.) Kuntze (1891) }}{{mycomorphbox | name = Turbinellus floccosus | hymeniumType = ridges | capShape = infundibuliform | whichGills = decurrent | stipeCharacter = bare | sporePrintColor = brown | ecologicalType = mycorrhizal | howEdible = poisonous }}{{stack end}} Turbinellus floccosus, sometimes known as the shaggy, scaly, or woolly chanterelle, is a cantharelloid mushroom of the family Gomphaceae native to Asia and North America. It was known as Gomphus floccosus until 2011, when it was found to be only distantly related to the genus's type species, G. clavatus. It was consequently transferred from Gomphus to Turbinellus. The orange-capped vase- or trumpet-shaped fruiting bodies may reach 30 cm (12 in) high and 30 cm (12 in) wide. The lower surface, the hymenium, is covered in wrinkles and ridges rather than gills or pores, and is pale buff or yellowish to whitish. T. floccosus forms symbiotic (ectomycorrhizal) relationships with various types of conifer, growing in coniferous woodlands across Eastern Asia, from North Korea to Pakistan, and in North America, more frequently in the west, in late summer and autumn. Though mild-tasting, they generally cause gastrointestinal symptoms of nausea, vomiting and diarrhea when consumed. T. floccosus is eaten by local people in northeastern India, Nepal and Mexico. TaxonomyThis species was first described as Cantherellus floccosus in 1834 by American mycologist Lewis David de Schweinitz, who reported it growing in beech woods in Mount Pocono, Pennsylvania.[1] Its specific epithet is derived from the Latin floccus, meaning "tuft, or flock, of wool".[2] In 1839, Miles Joseph Berkeley named a specimen from Canada as Cantharellus canadensis based on a manuscript by Johann Friedrich Klotzsch, noting its affinity to C. clavatus.[3] A large specimen collected in Maine by Charles James Sprague was described as Cantharellus princeps in 1859 by Berkeley and Moses Ashley Curtis.[4] In 1891, German botanist Otto Kuntze renamed Cantharellus canadensis as Trombetta canadensis, and C. floccosus as Merulius floccosus.[5]{{efn|1=Kuntze published Revisio Generum Plantarum, his response to what he perceived as a lack of method in existing nomenclatural practice.[1] Three taxa received new names: Kuntze coined the genus Trombetta, to incorporate Cantharellus canadensis (as Trombetta canadensis), while C. floccosus and C. princeps became Merulius floccosus and M. princeps respectively.[5] However, Kuntze's revisionary program was not accepted by the majority of botanists.[1]}} Franklin Sumner Earle made C. floccosus the type species of the new genus Turbinellus in 1909, in which he placed two other North American species. He remarked that the three "constitute a striking and well-marked genus which seems to have more in common with the club-shaped species of Craterellus than with the following genus where they have always been placed."[9] This was not widely taken up, as Earle's new combination was not published validly according to nomenclatural rules.[10]American mycologist Elizabeth Eaton Morse described Cantharellus bonarii in 1930. The type locality was General Grant National Park in Fresno County, California.[11] In 1945 C. floccosus and Morse's C. bonarii were transferred to Gomphus by Rolf Singer.[12] The generic name is derived from the Ancient Greek γομφος, gomphos, meaning "plug" or "large wedge-shaped nail".[13] Alex H. Smith treated the members of Gomphus as two sections—Gomphus and Excavatus—within Cantharellus in his 1947 review of chanterelles in western North America, as he felt there were no consistent characteristics that distinguished the genera. The shaggy chanterelle was placed in the latter section due to its scaly cap, lack of clamp connections and rusty-colored spores.[14] Roger Heim classified it in the genus Nevrophyllum, before E. J. H. Corner returned it to Gomphus in 1966.[15] The genus Gomphus, along with several others in the Gomphaceae, was reorganized in the 2010s after molecular analysis confirmed that the older morphology-based classification did not accurately represent phylogenetic relationships.[15][17][18] Thus the genus Turbinellus was resurrected and the taxon became Turbinellus floccosus. Giachini also concluded G. bonarii was the same species.[15] T. floccosus has been given the common names of scaly vase chanterelle,[20] scaly chanterelle, woolly chanterelle,[21] or shaggy chanterelle,[22] though it is more closely related to stinkhorns than true chanterelles.[23] In Nepal, in the Sherpa language, it is known as diyo chyau or khumbhe chyau, from the words diyo, meaning "oil lamp" and chyau, meaning "mushroom", as the fruit bodies have a shape similar to the local oil lamps.[24] In Mexico, it is known as corneta or trompeta, or by the indigenous words oyamelnanácatl ("fir mushroom", from Nahuatl oyametl "fir", and nanacatl "mushroom"[25]), tlapitzal (derived from tlapitzalli, Nahuatl for "trumpet"[25]) or tlapitzananácatl in Tlaxcala.[27]DescriptionAdult fruit bodies are initially cylindrical, maturing to trumpet- or vase-shaped and reaching up to 30 cm (12 in) high and up to 30 cm (12 in) across.[28] There is no clear demarcation between the cap and stipe.[14] The stipe can be up to 15 cm (6 in) tall and 6 cm (2.4 in) wide, though it tapers to a narrower base. It is solid in younger specimens, though is often hollowed out by insect larvae in older.[28] At higher elevations, two or three fruit bodies may arise from one stipe. Colored various shades of reddish- to yellowish-orange, the cap surface is broken into scales, with the spaces between more yellow and the scales themselves more orange. The most colorful specimens occur in warm humid weather.[14] Older specimens are often paler.[21] The white flesh is fibrous and thick, though thins with age.[14] Somewhat brittle, it can sometimes turn brown when cut or bruised. The smell has been reported as indistinct or "earthy and sweet", and the taste "sweet and sour".[28] The spore-bearing undersurface is irregularly folded, forked or ridged rather than gilled and is pale buff or yellowish to whitish in color. These ridges are up to {{convert|4|mm|in|abbr=on|frac=8}} high,[28] and are decurrent—they extend below and run down the cap's attachment to the stipe, though irregularly so.[14] The spore print is brownish, the spores ellipsoid with dimensions of 12.4–16.8 × 5.8–7.3 μm. The spore surface is roughened with ornamentations that can be made visible under the microscope by staining with methyl blue.[39] The fruit bodies can last for some considerable time, growing slowly over a month. Mushrooms in subalpine and alpine areas are typically heavy-set with a short stipe, their growth slower in the cold climate. This latter form is seen at lower altitudes in colder seasons. Smith gave this the name forma rainierensis. Conversely, mushrooms at low altitudes, such as in the redwood forests, can grow and expand rapidly with large caps that have prominent scales. Smith described a paler form with a solid stipe from the Sierra Nevada as forma wilsonii.[14] American mycologist R. H. Petersen described an olive-capped form that is otherwise identical to the typical form.[41] These forms are not recognised as distinct.[10] Similar species{{multiple image|header = Lookalikes |caption_align=center|header_align=center | align = right | total_width = 320 | image1 = Turbinellus fujisanensis 275975.jpg | width1 = 2736 | height1 = 3648 | caption1 = Turbinellus fujisanensis | image2 = Turbinellus kauffmanii 267527.jpg | width2 = 1989 | height2 = 2418 | caption2 = Turbinellus kauffmanii }} The related Turbinellus kauffmanii, found in western North America, is similar-looking but has a pale brown cap.[23] Younger specimens of the latter species also have a pungent smell.[14] Turbinellus fujisanensis, found in Japan, is another lookalike that has smaller spores than T. floccosus.[45] Distribution and habitatThe fungus appears to form symbiotic (ectomycorrhizal) relationships with various conifers including Douglas-fir (Pseudotsuga menziesii), fir (Abies) species such as momi fir (Abies firma), European silver fir (A. alba) and Khinghan fir (A. nephrolepis), Pine (Pinus) species such as Pinus densiflora and western hemlock (Tsuga heterophylla).[28][41] In Mexico, the fungus associates with Abies religiosa[48]—the mycorrhizal association between these two species has been synthesized under controlled laboratory conditions.[49] T. floccosus is more abundant in older stands of trees and places where there is more decomposed wood on the forest floor.[28] The species occurs in coniferous forests in North America, particularly the western states in late summer and autumn. It is most abundant in rainy parts of the Pacific Northwest,[41] northern California and the Sierra Nevada.[21] It also occurs across Asia, having been recorded from Japan,[53][54] North Korea,[55] China,[53] Tibet,[41] India,[58] Nepal and Pakistan.[14][53] Turbinellus floccosus has been occasionally recorded from introduced conifer plantations in Australia.[61] ToxicityTurbinellus floccosus is poisonous to some people who eat it, but has been consumed without incident by others.[62] Nausea, vomiting and diarrhea may occur, though are sometimes delayed by up to 8–14 hours. A tricarboxylic acid known as α-tetradecylcitric acid may be responsible for the extreme gastrointestinal symptoms.[64] Laboratory experiments showed it increased tone of guinea pig smooth muscle of the small bowel (ileum), and that when given to rats, it led to mydriasis, skeletal muscle weakness, and central nervous system depression.[64] Turbinellus floccosus contains more than double the amount of this acid than the related T. kauffmanii.[66]Despite its toxicity, T. floccosus is one of the ten wild mushrooms most widely consumed by ethnic tribes in Meghalaya, northeast India,[67] and is highly regarded by the Sherpa people in the vicinity of Sagarmatha National Park in Nepal.[24] What is not known is whether the Indian populations of T. floccosus are nontoxic, or whether the local people have developed an immunity to it.[69] It is also enjoyed in Mexico.[27] American mycologist David Arora reported that some enjoyed it while he felt it had a strong sour taste.[21] The fruit body of T. floccosus produces oxylipin (biologically active lipids generated from fatty acids) that have antifungal activity against the plant pathogens Colletotrichum fragariae, C. gloeosporioides, and C. acutatum.[72] Extracts of the fungus have shown in standard laboratory tests to have antimicrobial activity against several human pathogenic strains.[69] T. floccosus also contains the spermidine derivative pistillarin, a bioactive compound that inhibits DNA damage by hydroxyl radicals generated by the Fenton reaction.[74] Pistillarin is responsible for the green color obtained when iron salts are applied to the fruit body surface.[39] Notes{{notelist}}References1. ^1 {{cite web | author=Erickson RF | url=http://www.botanicus.org/creator/298 | title=Kuntze, Otto (1843–1907) | website=Botanicus.org | accessdate=28 November 2015}} [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40]2. ^1 2 3 4 {{cite book |author=Arora D |title=Mushrooms Demystified: a Comprehensive Guide to the Fleshy Fungi |publisher=Ten Speed Press |location=Berkeley, California |year=1986 |pages=661–62 |isbn=978-0-89815-169-5}} 3. ^1 {{cite journal | author=Berkeley MJ | year=1839 | journal=Annals of Natural History |title=Exotic Fungi | volume=3 | page=380 | url=https://www.biodiversitylibrary.org/page/3388262}} 4. ^1 {{cite journal |vauthors=Berkeley MJ, Curtis MA | page=293 | url=https://www.biodiversitylibrary.org/page/2356434 | journal=The Annals and Magazine of Natural History: Including Zoology, Botany, and Geology |title=On New Species of North American Fungi | volume=4 | year=1859}} 5. ^1 {{cite book|vauthors=Bessette AE, Fischer DW, Bessette AR |title=Mushrooms of Northeastern North America|year=1996|publisher=Syracuse University Press|location=Syracuse, New York|isbn=978-0-8156-0388-7|page=36}} 6. ^1 {{cite journal |vauthors=Burrola-Aguilar C, Garibay-Orijel R, Argüelles-Moyao A |year=2013 |title=Abies religiosa Forests Harbor the Highest Species Density and Sporocarp Productivity of Wild Edible Mushrooms among Five Different Vegetation Types in a Neotropical Temperate Forest Region |journal=Agroforestry Systems |volume=87 |issue=5 |pages=1101–15| doi=10.1007/s10457-013-9623-z}} 7. ^1 {{cite journal |vauthors=Cantrell CL, Case BP, Mena EE, Kniffin TM, Duke SO, Wedge DE |title=Isolation and Identification of Antifungal Fatty Acids from the Basidiomycete Gomphus floccosus |journal=Journal of Agricultural and Food Chemistry |year=2008 |volume=56 |issue=13 |pages=5062–68 |doi=10.1021/jf8008662 |pmid=18557621}} 8. ^1 2 {{cite journal |vauthors=Carrano RA, Malone MH |title=Pharmacologic Study of Norcaperatic and Agaricic Acids |journal=Journal of Pharmaceutical Sciences |year=1967 |volume=56 |issue=12 |pages=1611–14 |doi=10.1002/jps.2600561216}} 9. ^1 2 3 {{cite journal |author=Corner EJH |year=1966 |title=A Monograph of the Cantharelloid Fungi |series=Annals of Botany Memoirs 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Sciences |year=1969 |volume=58 |issue=12 |pages=1497–1500 |doi=10.1002/jps.2600581216|pmid=5353267 }} 20. ^1 {{cite journal |vauthors=Lee IK, Ki DW, Kim SE, Yeom JL, Kim YS, Yun BS |title=Pistillarin Salt, a Dicatecholspermidine Family Member from Gomphus floccosus, Inhibits DNA Single Strand Breakage by the Fenton Reaction |journal=Journal of the Korean Society for Applied Biological Chemistry |year=2011 |volume=54 |issue=2 |pages=312–15 |doi=10.3839/jksabc.2011.050}} 21. ^1 {{cite journal |vauthors=Khaund P, Joshi SR |title=DNA Barcoding of Wild Edible Mushrooms Consumed by the Ethnic Tribes of India |journal=Gene |year=2014 |volume=550 |issue=1 |pages=123–30 |doi=10.1016/j.gene.2014.08.027 |pmid=25130907}} 22. ^1 2 {{cite book |veditors=Kharwar RN, Upadhyay RS, Dubey NK, Raguwanshi R |vauthors=Khaund P, Joshi SR |chapter=The Gomphus Paradox of Meghalaya: Wild Edible Fungus or a Poisonous Mushroom? |title=Microbial Diversity and Biotechnology in Food Security |year=2014 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Earle |url=http://www.indexfungorum.org/Names/NamesRecord.asp?RecordID=100278 |publisher=Index Fungorum. CAB International |accessdate=18 November 2015}} 39. ^1 {{cite journal |vauthors=Verma RN, Singh SM, Singh TG, Bilgrami KS |year=1989|title= Gomphus floccosus – A New Record for India |journal= Current Science|volume= 58 |issue=24|pages= 1370–71}} 40. ^1 {{cite journal |vauthors=Wojewoda W, Heinrich Z, Komorowska H |title=[Macromycetes Korei Pòłnocnej] Macrofungi of North Korea |journal=Wiadomości Botaniczne |year=1993 |volume=37 |issue=3/4 |pages=125–28 }} }} External links
8 : Gomphaceae|Poisonous fungi|Fungi of North America|Fungi of Asia|Inedible fungi|Fungi described in 1832|Fungi naturalized in Australia|Edible fungi |
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