''Suillus serotinus'' is a species of
bolete fungus found in eastern North America. Originally described as a species of ''
Boletus'' by American botanist
Charles Christopher Frost
Charles Christopher Frost (November 11, 1805 – March 16, 1880) was an American mycologist. He described several species of fungi from the New England area of the United States. In one paper, Frost described 22 new species of boletes, and he wa ...
in 1874,
it was transferred to ''
Suillus'' in 1996.
The bolete has a dark red brown and sticky
cap up to in diameter. The pore surface is initially white before turning reddish brown in age; the angular pores number from 1 to 3 per millimeter. Mushroom
flesh slowly stains bluish after injury, later becoming purplish gray then finally reddish brown. The fungus grows in a
mycorrhiza
A mycorrhiza (from Greek μύκης ', "fungus", and ῥίζα ', "root"; pl. mycorrhizae, mycorrhiza or mycorrhizas) is a symbiotic association between a fungus and a plant. The term mycorrhiza refers to the role of the fungus in the plant ...
l association with
larch and fruits on the ground scattered or in groups. The
spore print is purplish brown;
spores are oblong to
ellipsoid
An ellipsoid is a surface that may be obtained from a sphere by deforming it by means of directional scalings, or more generally, of an affine transformation.
An ellipsoid is a quadric surface; that is, a surface that may be defined as the ...
, smooth, and measure 8–12 by 4–5
µm
The micrometre ( international spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is a unit of length in the International System of Unit ...
. The fruit bodies are
edible, but lack any distinctive taste or odor.
See also
*
List of North American boletes
References
External links
*
serotinus
Fungi of North America
Edible fungi
Fungi described in 1874
{{Boletales-stub