Identifying Your Bolete
4.1
SHORT-STEMMED SLIPPERY JACK
Suillus brevipes
Frequency
Frequent
Habitat Area
Under Jack Pine, mainly in young plantations.
Cap
Viscous, glutinous. surface glabrous in many tints of brown colour.
Margin
Even.
Tubes
Short, adnate.
Pores and Pore Surface
Pore surface cream to yellowish, becoming darker with age, immutable; pores circular to angular, 1-2 per mm.
Stalk
Tends to be tall, more often than short, nearly equal, whitish to yellowish in age.
Stalk Feature
Glandular dots that are visible only at maturity near the apex.
Flesh
White immutable, becoming yellow in age, at least at the stipe apex..
Chemical reactions
KOH and NaOH: strong reaction towards bluish gray on the flesh and brown on the cap; towards brown on the stipe and blackish brown on the tubes.
FeSO4: towards bluish gray on the flesh, the cap and the stipe; brownish on the tubes.
NH4OH: towards bluish gray on the flesh and the stipe; discoloration and collapse of cap; pinkish on the tubes initially and towards brown over time.
Phenol and formalin: no reaction, on any part of the fruitbody.
Two sets of photos taken in 2019 and 2020 giving somewhat different results.
Comments
Send a comment
No comments yet.
More photos
For more informations