| 词条 | Xerocomellus chrysenteron | ||
| 释义 |
| image = Boletus chrysenteron LC0072.jpg | image_width=234px | regnum = Fungi | divisio = Basidiomycota | classis = Agaricomycetes | ordo = Boletales | familia = Boletaceae | genus = Xerocomellus | species = X. chrysenteron | binomial = Xerocomellus chrysenteron | binomial_authority = (Bull.) Šutara (2008) | synonyms = Boletus chrysenteron Bull. (1789) Xerocomus chrysenteron Quél. Boletus pascuus (Pers.) Krombh. }}{{mycomorphbox | name = Xerocomellus chrysenteron | capShape = convex | hymeniumType = pores | stipeCharacter = bare | sporePrintColor = olive-brown | howEdible = edible }}{{stack end}}Xerocomellus chrysenteron, formerly known as Boletus chrysenteron or Xerocomus chrysenteron, is a small, edible, wild mushroom in the family Boletaceae. These mushrooms have tubes and pores instead of gills beneath their caps. It is commonly known as the red cracking bolete.[1] TaxonomyThis mushroom was first described and named as Boletus communis in 1789 by the eminent French botanist Jean Baptiste Francois Pierre Bulliard. Two years later in 1791 it was given the specific epithet chrysenteron by the same author. The species name coming from the Ancient Greek words khrysos "gold" and enteron "innards".[2] Almost one hundred years later in 1888 Lucien Quelet placed it in the new genus Xerocomus, and retained the chrysenteron epithet. This binomial was generally accepted for almost another hundred years, until 1985 when Marcel Bon decided to resurrect the former specific epithet communis, which resulted in the binomial Xerocomus communis. It now resides back in the genus Boletus, and sports its 1791 binomial, and authority once again, and is currently known as [https://web.archive.org/web/20110720010621/http://www.basidiochecklist.info/DisplayResults.asp?intGBNum=13558 Boletus chrysenteron Bull.] Recent phylogenetic analysis supports the placement of X. chrysenteron as the type species of the new genus Xerocomellus, described by Šutara in 2008.[3] DescriptionYoung specimens of X. chrysenteron often have a dark, dry surface, and tomentose caps which might easily be mistaken for Bay Boletes B. badius. When fully expanded, caps are 4 to 10 cm (1.6–4 in) in diameter with very little substance and thin flesh that turns a blue color when slightly cut or bruised.[4] Caps mature to convex and plane in old age.[5] Cracks in the mature cap reveal a thin layer of light red flesh below the skin.[4] The 10 to 15 mm-diameter stems have no ring, are bright yellow and the lower part is covered in coral-red fibrils and has a constant elliptical to fusiform diameter throughout its length of 4 to 8 cm tall.[5] The cream-colored stem flesh turns blue when cut. X. chrysenteron has large, yellow, angular pores,[6] and produces an olive brown spore print.[4]Fruit bodies of Xerocomellus chrysenteron are also prone to infestation by the bolete eater (Hypomyces chrysospermus). Similarities within taxaMacroscopic observation of Xerocomellus chrysenteron is not sufficient to determine this species with certainty, as many intermediate forms occur between it and other taxa; in particular, some forms of B. pruinatus and Hortiboletus rubellus are hardly distinguishable from B. chrysenteron without the aid of microscopic characters. B. porosporus is also similar to this species, but it is easily separated on account of the whitish under layer and truncate (chopped off) spores.[7] Also this species is easily confused with B. declivitatum.[1] Distribution and habitatXerocomellus chrysenteron grows singly or in small groups in hardwood/conifer woods from early fall to mid-winter. It is mycorrhizal with hardwood trees, often beech on well drained soils. It is frequent in parts of the northern temperate zones.[6] The species has been recorded in Taiwan. It has been introduced to New Zealand, where it grows in groups under introduced deciduous trees.[8]This species may not be as common as once thought, having been often mistaken for the recently recognised [https://web.archive.org/web/20110720010628/http://www.basidiochecklist.info/DisplayResults.asp?intGBNum=42047 B.cisalpinus] Simonini, Ladurner & Peintner. EdibilityXerocomellus chrysenteron is considered edible but not desirable due to bland flavor and soft texture.[9] The pores are recommended to be removed immediately after mushrooms are picked as they rapidly decay.[10] Young fungi are palatable and suitable for drying, but they become slimy when cooked; mature specimens are rather tasteless and decay quickly. GallerySee also
References1. ^1 {{cite book | author = Roger Phillips | year = 2006 | title = Mushrooms | publisher = Pan MacMillan | isbn = 0-330-44237-6}} 2. ^{{cite book |author=Nilson S, Persson O. |year=1977 |title=Fungi of Northern Europe 1: Larger Fungi (Excluding Gill-Fungi) |publisher=Penguin |location=Harmondsworth, UK |isbn=0-14-063005-8 |pages=106–07}} 3. ^{{cite journal |author=Šutara J. |title=Xerocomus s. l. in the light of the present state of knowledge |journal=Czech Mycology |year=2008 |volume=60 |issue=1 |pages=29–62 |url=http://web.natur.cuni.cz/cvsm/CM60104F.pdf}} 4. ^1 2 {{cite web|url=http://www.first-nature.com/fungi/id_guide/boletales/xerocomus_chrysenteron.htm |title=Xerocomus chrysenteron |accessdate=2007-12-12 |work=First Nature |deadurl=yes |archiveurl=https://web.archive.org/web/20071026124356/http://www.first-nature.com/fungi/id_guide/Boletales/xerocomus_chrysenteron.htm |archivedate=October 26, 2007 }} 5. ^1 {{cite web|url=http://www.mykoweb.com/CAF/species/Boletus_chrysenteron.html |title=Xerocomus chrysenteron |accessdate=2007-12-12 |author=Michael Wood & Fred Stevens |date =1996–2007 |work=The Fungi of California }} 6. ^1 {{cite book | author = Thomas Laessoe | year = 1998 | title = Mushrooms (flexi bound) | publisher = Dorling Kindersley | isbn = 0-7513-1070-0}} 7. ^{{cite web|url=http://www.mtsn.tn.it/bresadola/gallery.asp?code=30&lang=eng |title=Xerocomus chrysenteron |accessdate=2007-12-12 |author=G. Bresadola |date=2005-05-02 |work=Gruppo Micologico «G. Bresadola» |deadurl=yes |archiveurl=https://web.archive.org/web/20110606005854/http://www.mtsn.tn.it/bresadola/gallery.asp?code=30&lang=eng |archivedate=June 6, 2011 }} 8. ^{{cite journal |author=McNabb RFR. |title=The Boletaceae of New Zealand |journal=New Zealand Journal of Botany |year=1968 |volume=6 |issue=2 |pages=137–76 (see p. 148) |doi=10.1080/0028825X.1968.10429056}} {{open access}} 9. ^{{cite book |author=Arora D. |title=Mushrooms Demystified: A Comprehensive Guide to the Fleshy Fungi |publisher=Ten Speed Press |location=Berkeley, California |year=1986 |page=519 |isbn=0-89815-169-4 |url=https://books.google.com/books?id=86tM01VsFG0C&lpg=RA1-PA519&dq=Boletus%20chrysenteron&pg=RA1-PA519#v=onepage&q=Boletus%20chrysenteron&f=false}} 10. ^{{cite book |author=Haas H. |title=The Young Specialist looks at Fungi |year=1969 |page=44|publisher=Burke |location=London, UK |isbn=0-222-79409-7}} }} External links{{Commons category}}{{Wikispecies|Xerocomellus chrysenteron}}
7 : Boletaceae|Fungi of Asia|Fungi of Europe|Fungi of New Zealand|Fungi of North America|Edible fungi|Fungi described in 1789 |
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