Suillus is a genus of basidiomycete fungi in the family Suillaceae and order Boletales. Species in the genus are associated with trees in the pine family, and are mostly distributed in temperate locat
Suillus luteus 2
The cap underside of Suillus americanus (Peck 1887) Snell 1944 showing angular yellow pores
Suillus bovinus (L. 1753) Roussel 1796
Suillus brevipes (Peck 1885) Kuntze 1898
Suillus luteus is a species of bolete fungus commonly referred to as slippery jack or sticky bun. The fungus was originally assigned to Boletus by Carl Linnaeus in 1753, before being made the type spe
Suillus
…Fries sanctioned the use by British botanist Samuel Frederick Gray in the first volume of his 1821 work A Natural Arrangement of British Plants. Setting Suillus luteus as the type species, he described the genus as those mushrooms with a centrally placed stipe, a distinct ring, a circular cap, and tubes that are stuck…
"Boletus luteus", illustrated by Christiaan Sepp
Young fruit bodies have a partial veil that encloses the pores.
In maturity, the partial veil rips away from the cap, remaining on the upper stipe as a well-developed, membranous ring.