''Chalciporus pseudorubinellus'' is a
bolete
A bolete is a type of mushroom, or fungal fruiting body. It can be identified thanks to a unique cap. On the underside of the cap there is usually a spongy surface with pores, instead of the gills typical of mushrooms. A similar pore surface i ...
fungus of the family
Boletaceae
The Boletaceae are a Family (biology), family of mushroom-forming fungi, primarily characterised by small pores on the spore-bearing hymenium, hymenial surface (at the underside of the mushroom), instead of Lamella (mycology), gills as are found ...
. It is found in North America and Central America.
Taxonomy
The bolete was first
described in 1971 by mycologists
Alexander H. Smith
Alexander Hanchett Smith (December 12, 1904 – December 12, 1986) was an American mycologist known for his extensive contributions to the taxonomy and phylogeny of the higher fungi, especially the agarics.
Early life
Smith, born in Crandon, Wis ...
and
Harry Delbert Thiers
Harry Delbert Thiers (January 22, 1919, in Fort McKavett, Texas – August 8, 2000, in Ohio) was an American mycologist who studied and named many fungi native to North America, particularly California. Thiers taught mycology at San Francisco ...
as ''Boletus pseudorubinellus''. The
type
Type may refer to:
Science and technology Computing
* Typing, producing text via a keyboard, typewriter, etc.
* Data type, collection of values used for computations.
* File type
* TYPE (DOS command), a command to display contents of a file.
* ...
collection was made in
Cheboygan County
Cheboygan County ( ) is a county in the U.S. state of Michigan. As of the 2020 census, the population was 25,579. The county seat is Cheboygan. The county boundaries were set off in 1840, with land partitioned from Michilimackinac County. ...
, near
Burt Lake
Burt Lake is a lake in Cheboygan County in the U.S. state of Michigan. The western shore of the lake is on the boundary with Emmet County. The lake is named after William Austin Burt, who, together with John Mullett, made a federal survey of ...
in
Michigan
Michigan ( ) is a peninsular U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, Upper Midwestern United States. It shares water and land boundaries with Minnesota to the northwest, Wisconsin to the west, ...
.
It was transferred to the genus ''
Chalciporus
''Chalciporus'' is a genus of fungi in the family Boletaceae (suborder (biology), suborder Boletineae). There are approximately 25 species in the genus.
French mycologist Frédéric Bataille erected the genus in 1908, though it did not gain gener ...
'' in 1997.
Molecular
A molecule is a group of two or more atoms that are held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions that satisfy this criterion. In quantum physics, organic chemistry, ...
analysis indicates that it is closely related to ''Chalciporus rubinus''.
Description
The
fruit body
The sporocarp (also known as fruiting body, fruit body or fruitbody) of fungi is a multicellular structure on which spore-producing structures, such as basidia or asci, are borne. The fruitbody is part of the sexual phase of a fungal life cyc ...
has a yellow to red-pink cap that is across and convex in shape, sometimes with a central
boss
Boss may refer to:
Occupations
* Supervisor, often referred to as boss
* Air boss, more formally, air officer, the person in charge of aircraft operations on an aircraft carrier
* Crime boss, the head of a criminal organization
* Fire boss, ...
, and ages to a more cinnamon color. The cap surface is smooth and dry but can be slightly sticky when moist. The
flesh
Flesh is any aggregation of soft tissues of an organism. Various multicellular organisms have soft tissues that may be called "flesh". In mammals, including humans, ''flesh'' encompasses muscles, fats and other loose connective tissues, ...
is yellow and (unlike many other boletes) does not stain blue when cut or bruised. The pores are 1–2 mm wide and irregular, red-pink in younger mushrooms and fading to a yellow- or orange-brown in older specimens. The tubes are long. The pinkish
stipe is high and wide with a yellow base. The mushroom has no obvious smell or taste, although it is edible.
The
spores
In biology, a spore is a unit of sexual (in fungi) or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plant ...
of the bolete are smooth, somewhat spindle shaped, and measure 9–13 by 3–4
μm
The micrometre (Commonwealth English as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American English), also commonly known by the non-SI term micron, is a unit of length in the International System ...
. The club-shaped
basidia
A basidium (: basidia) is a microscopic spore-producing structure found on the hymenophore of reproductive bodies of basidiomycete fungi. The presence of basidia is one of the main characteristic features of the group. These bodies are also ...
(spore-bearing cells) are four-spored and measure 18–26 by 8–10 μm.
Habitat and distribution
''Chalciporus pseudorubinellus'' is found in conifer forests, often among moss, from
New York
New York most commonly refers to:
* New York (state), a state in the northeastern United States
* New York City, the most populous city in the United States, located in the state of New York
New York may also refer to:
Places United Kingdom
* ...
west to
Minnesota
Minnesota ( ) is a U.S. state, state in the Upper Midwestern region of the United States. It is bordered by the Canadian provinces of Manitoba and Ontario to the north and east and by the U.S. states of Wisconsin to the east, Iowa to the so ...
in North America, the mushrooms appearing from July to September.
The type collections was found growing in groups near
spruce
A spruce is a tree of the genus ''Picea'' ( ), a genus of about 40 species of coniferous evergreen trees in the family Pinaceae, found in the northern temperate and boreal ecosystem, boreal (taiga) regions of the Northern hemisphere. ''Picea'' ...
trees.
In Colombia, the bolete is associated with
oak
An oak is a hardwood tree or shrub in the genus ''Quercus'' of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisp ...
.
See also
*
List of North American boletes __NOTOC__
This is a list of bolete species found in North America.
Bolding of the species name, and an asterisk (*) following indicate the species is the type species of that genus.
''Aureoboletus''
*''Aureoboletus auriporus''
*''Aureoboletus ge ...
References
External links
*
{{Taxonbar, from=Q15636177
pseudorubinellus
Fungi of Central America
Fungi of North America
Fungi described in 1971
Fungus species