''Austroboletus subflavidus'' is a species of
bolete fungus in the family
Boletaceae. It is found in eastern North America, where it fruits near
oak
An oak is a tree or shrub in the genus ''Quercus'' (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably ''L ...
and
pine
A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. The World Flora Online created by the Royal Botanic Gardens, Kew and Missouri Botanical Garden accep ...
trees. Originally
described as a species of ''
Tylopilus'' by American mycologist
William Murrill in 1938,
it was transferred to the genus ''
Austroboletus'' by Carl B. Wolfe in 1980.
The
fruit body
In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the Ovary (plants), ovary after flowering plant, flowering.
Fruits are the means by which flowering plants (also known as angiosperms) disseminate their ...
has a white to yellowish convex to flattened
cap measuring in diameter. The pores on the cap underside, which measure about 1 mm wide, are initially white to grayish before becoming pinkish. The coarsely reticulate and pitted
stipe measures long by . The
spore print is reddish brown;
spores are spindle-shaped (fusoid) with dimensions of 15–20 by 6–9
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 ...
.
See also
*
List of North American boletes
References
External links
*
subflavidus
Fungi described in 1938
Fungi of North America
{{Boletales-stub