Suillus

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Suillus

Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Subclass: Hymenomycetes
Order: Agaricales
Family: Boletaceae
Genus: Suillus

Suillus is a genus of fungi in the sub-order Boletales, commonly called "slippery jacks" because of the often slimy caps. They are distinguishable from other boletes by usually having partial veils in immature forms and annuli thereafter, sometimes glandular dots on the stipe, and large pore openings that are often arranged radially. They principally grow in association with conifers.

Members of this genus are often hard to distinguish from other boletes, as a few have dry fibrils or scales (S. lakei) and the sliminess of the cap can vary dramatically with environmental conditions. Several species (ie S. Brevipes) have no veil or glandular dots. The name is derived from the Latin sus, meaning "pig".

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[edit] Edibility

Most Suillus species are edible but none are highly esteemed. However some of the suilloids are known to cause idiosyncratic allergic reactions in some people. In some species, the slimy cap coat acts as a purgative when consumed and should be removed before cooking.

large radially-arranged pores are characteristic of the genus Suillus
large radially-arranged pores are characteristic of the genus Suillus

A few edible examples from this genus include:

  • S. americanus - Chicken-fat Suillus
  • S. bovinus - Jersey cow mushroom
  • S. brevipes – Short-stalked Suillus
  • S. granulatus – Dotted-stalk Suillus
  • S. grevillei - Larch Suillus, Larch Bolete
  • S. luteus - Slippery Jack (many Suillus species are called by this common name)
  • S. placidus - White Suillus
  • S. pungens – Pungent Suillus
  • S. subluteus - Slippery Jill
  • S. tomentosus – Tomentose Suillus
  • S. tridentinus


S. brevipes
S. brevipes


[edit] See also

[edit] External links

[edit] References

  • Bessette AE, Roody WC & Bessette AR. (2000). North American boletes: A color guide to the fleshy pored mushrooms. China: Syracuse UP. 399 pp.
  • Bruns TD & Palmer JD (1989). Evolution of mushroom mitochondrial DNA: Suillus and related genera, Journal of Molecular Evolution 28: 349-362.
  • Smith AH, Smith HV & Weber NS. (1981). How to know the non-gilled mushrooms. Dubuque, Iowa: Wm. C. Brown. 324 pp.
  • National Audubon Society Field Guide to North American Mushrooms, Knopf, 1981.


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