''Suillellus queletii'' (formerly ''Boletus queletii''), commonly known as the deceiving bolete, is an uncommon,

edible mushroom Edible mushrooms are the fleshy and edible fruit bodies of several species of macrofungi (fungi which bear fruiting structures that are large enough to be seen with the naked eye). They can appear either below ground (hypogeous) or above ground ...

in the genus ''

Suillellus ''Suillellus'' is a genus of bolete fungi in the family Boletaceae. It was originally described by William Alphonso Murrill in 1909 with ''Suillellus luridus'' (originally described as a species of ''Boletus'') as the type species. The genus was ...

''.

Naming

Originally described by

Stephan Schulzer von Müggenburg Stephan Schulzer von Müggenburg (December 19, 1802 – February 5, 1892) was a Hungarian-Croatian army officer and mycologist. His first name is variably spelled Stefan, Stjepan or István. Schulzer von Müggenburg was born into abject poverty i ...

in 1885 as a species of '' Boletus'', the fungus was transferred to ''

'' in 2014. The epithet ''queletii'' was given in honour of

Lucien Quélet Lucien Quélet in 1869 Lucien Quélet (14 July 1832 – 25 August 1899) was a French naturalist and mycologist. Quélet discovered several species of fungi and was the founder of the Société mycologique de France, a society devoted to mycolo ...

. In 1796

Christiaan Hendrik Persoon Christiaan Hendrik Persoon (1 February 1761 – 16 November 1836) was a German mycologist who made additions to Linnaeus' mushroom taxonomy. Early life Persoon was born in South Africa at the Cape of Good Hope, the third child of an immig ...

described a type of bolete under the name ''Boletus erythropus'' and in the next 200 years the same name was widely used for a well-known species having red pores. But recently it was discovered that Persoon's mushroom had orange pores, that usage of the name ''B. erythropus'' was invalid, and now the red-pored species (after a separate change to the

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

too) has to be called ''

Neoboletus luridiformis ''Neoboletus praestigator'', also previously known as ''Neoboletus luridiformis'', ''Boletus luridiformis'' and (invalidly) as ''Boletus erythropus'', is a fungus of the bolete family, all of which produce mushrooms with tubes and pores benea ...

)''. It is best not to use the ambiguous name ''Boletus erythropus'' any more, but according to Funga Nordica the fungus described by Persoon was actually ''Suillellus queletii''.

Description

The cap is hemispherical, latter flattening out, appearing olive to reddish-brown, rarely also dark red. The flesh is yellow, turning blue when cut. The pores are initially yellow, soon become orange, and finally can be reddish. The stipe is smooth and golden yellow and the flesh has a slightly acrid taste. The

spore In biology, a spore is a unit of sexual 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 plants, algae, f ...

powder is olive and under the microscope the spores appear somewhat spindle-shaped and measure about 10-14 µm × 5-7 µm.

Distribution and habitat

This

mycorrhizal 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 plan ...

mushroom can be found in

deciduous forest In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, aft ...

, at lower altitudes, under

beech Beech (''Fagus'') is a genus of deciduous trees in the family Fagaceae, native to temperate Europe, Asia, and North America. Recent classifications recognize 10 to 13 species in two distinct subgenera, ''Engleriana'' and ''Fagus''. The ''Engle ...

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 ...

hazel The hazel (''Corylus'') is a genus of deciduous trees and large shrubs native to the temperate Northern Hemisphere. The genus is usually placed in the birch family Betulaceae,Germplasmgobills Information Network''Corylus''Rushforth, K. (1999). ...

. It is uncommon in Europe and considered

endangered An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...

in the Czech Republic. In Asia, it has been recorded in Taiwan.

References

External links

* {{Taxonbar, from=Q26203737 queletii Fungi described in 1885 Fungi of Asia Fungi of Europe