Suillus caerulescens
{{Short description|Species of fungus}}
{{Speciesbox
| image = Suillus caerulescens (24293116546).jpg
| genus = Suillus
| species = caerulescens
| authority = A.H.Sm. & Thiers (1964)
}}
Suillus caerulescens, commonly known as the douglas-fir suillus{{cite book |last1=Arora |first1=David |title=Mushrooms demystified: a comprehensive guide to the fleshy fungi |date=1986 |publisher=Ten Speed Press |location=Berkeley |isbn=978-0-89815-169-5 |edition=Second}} and fat jack,{{Cite book |last=Audubon |title=Mushrooms of North America |publisher=Knopf |year=2023 |isbn=978-0-593-31998-7 |pages=301}} is an edible species of bolete fungus in the family Suillaceae.{{cite book |last=Phillips |first=Roger |title=Mushrooms and Other Fungi of North America |year=2010 |publisher=Firefly Books |location=Buffalo, NY |isbn=978-1-55407-651-2 |page=286}}
Taxonomy
The species was first described scientifically by American mycologists Alexander H. Smith and Harry D. Thiers in 1964.
{{cladogram
|caption=Cladogram of 7 closely related species according to the Open Tree of Life.{{r|otol}}
|style=font-size:85%;line-height:1.25;
|title=Phylogenetic relationships of closely related species
|cladogram={{clade|1={{clade|2=all other Suillus species|1=CLADE
|targetA=CLADE|subcladeA={{clade|style=line-height:0.5;
|1={{clade
|1={{clade
|1={{clade
|2=S. lakei
}}
}}
|2={{clade
|1=S. grevillei
|2={{clade
|1=S. luteus
|2=S. brevipes
}}
}}
}}
|2=S. cavipes
}}
}}}}}}
{{Mycomorphbox
| name = {{PAGENAME}}{{italic title}}
| hymeniumType = pores
| capShape = convex
| capShape2 = flat
| whichGills = adnate
| whichGills2 = decurrent
| stipeCharacter = bare
| stipeCharacter2 = ring
| sporePrintColor = brown
| ecologicalType = mycorrhizal
| howEdible = edible
}}
Description
The cap is yellowish to reddish brown, sometimes with streaks from its darker center. It ranges from {{Cvt|4–15|cm|round=0.5}} in diameter,{{Cite book |last=Audubon |title=Mushrooms of North America |publisher=Knopf |year=2023 |isbn=978-0-593-31998-7 |pages=301}} shaped convex to flat, and viscid when wet, sometimes with veil remnants on the edge. The flesh is yellowish,{{Cite book|last1=Davis|first1=R. Michael|url=https://www.worldcat.org/oclc/797915861|title=Field Guide to Mushrooms of Western North America|last2=Sommer|first2=Robert|last3=Menge|first3=John A.|publisher=University of California Press|year=2012|isbn=978-0-520-95360-4|location=Berkeley|pages=330–331|oclc=797915861}} as are the pores. The stalk is yellowish to brown, darkening with age, 2–8 cm tall and 1–3 cm wide, and bruises bluish at the base; it sometimes has a faint ring.
Its stem bruises blue, which sometimes takes a few minutes. The spore print is reddish-brown.
{{gallery|mode=packed
|Suillus caerulescens (24319287815).jpg|Fruit body examples
}}
=Similar species=
Suillus lakei is fairly similar, as is S. ponderosus.
Habitat and distribution
It can be found growing with Douglas-fir trees{{cite book|last1=Trudell|first1=Steve|url=https://books.google.com/books?id=WevHvt6Tr8kC|title=Mushrooms of the Pacific Northwest|last2=Ammirati|first2=Joe|publisher=Timber Press|year=2009|isbn=978-0-88192-935-5|series=Timber Press Field Guides|location=Portland, OR|pages=222}} in western North America from October to December.
Uses
See also
References
{{Reflist|refs=
|access-date=2025-01-17
|title=[Suillus caerulescens + Suillus cavipes]
|url=https://tree.opentreeoflife.org/opentree/opentree15.1@mrcaott199372ott428802/Suillus-caerulescens--Suillus-cavipes
|website=Open Tree of Life
}}
}}
External links
{{IndexFungorum|339842}}
{{Taxonbar|from=Q10683515}}
Category:Fungi described in 1964
Category:Fungi of North America
Category:Taxa named by Harry Delbert Thiers
Category:Taxa named by Alexander H. Smith
{{Boletales-stub}}