Suillus caerulescens, commonly known as the douglas-fir suillus[1] and fat jack,[2] is an edible species of bolete fungus in the family Suillaceae.[3]

Taxonomy

The species was first described scientifically by American mycologists Alexander H. Smith and Harry D. Thiers in 1964.[4]

Phylogenetic relationships of closely related species
Cladogram of 7 closely related species according to the Open Tree of Life.[5]

Description

The cap is yellowish to reddish brown, sometimes with streaks from its darker center.[6] It ranges from 4–15 cm (1.5–6 in) in diameter,[7] shaped convex to flat, and viscid when wet,[8] sometimes with veil remnants on the edge.[6] The flesh is yellowish,[8] as are the pores.[6] The stalk is yellowish to brown, darkening with age, 2–8 cm tall and 1–3 cm wide, and bruises bluish at the base;[8] it sometimes has a faint ring.[6]

Its stem bruises blue, which sometimes takes a few minutes.[3] The spore print is reddish-brown.[2]

  • Fruit body examples
    Fruit body examples

Similar species

Suillus lakei is fairly similar,[8] as is S. ponderosus.[7]

Habitat and distribution

It can be found growing with Douglas-fir trees[6] in western North America from October to December.[2]

Uses

While edible, it is considered of poor quality.[8]

See also

References

  1. ^ Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. ISBN 978-0-89815-169-5.
  2. ^ a b c Audubon (2023). Mushrooms of North America. Knopf. p. 301. ISBN 978-0-593-31998-7.
  3. ^ a b Phillips, Roger (2010). Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. p. 286. ISBN 978-1-55407-651-2.
  4. ^ Smith AH, Thiers HD (1964). A Contribution Toward a Monograph of North American Species of Suillus (Boletaceae). Ann Arbor, Michigan: Lubrecht & Cramer. p. 36. ISBN 978-0-934454-26-1.
  5. ^ "[Suillus caerulescens + Suillus cavipes]". Open Tree of Life. Retrieved 2025-01-17.
  6. ^ a b c d e Trudell, Steve; Ammirati, Joe (2009). Mushrooms of the Pacific Northwest. Timber Press Field Guides. Portland, OR: Timber Press. p. 222. ISBN 978-0-88192-935-5.
  7. ^ a b Audubon (2023). Mushrooms of North America. Knopf. p. 301. ISBN 978-0-593-31998-7.
  8. ^ a b c d e Davis, R. Michael; Sommer, Robert; Menge, John A. (2012). Field Guide to Mushrooms of Western North America. Berkeley: University of California Press. pp. 330–331. ISBN 978-0-520-95360-4. OCLC 797915861.

Suillus caerulescens in Index Fungorum


Allikas: http://en.wikipedia.org/wiki/Suillus_caerulescens
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