Boletus separans

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Boletus separans
File:Xanthoconium separans 89199.jpg
Scientific classification Edit this classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Boletales
Family: Boletaceae
Genus: Boletus
Species:
B. separans
Binomial name
Boletus separans
Peck (1873)
Synonyms
  • Boletus edulis subsp. separans (Peck) Singer (1947)
  • Boletus edulis f. separans (Peck) Vassilkov (1966)
  • Boletus reticulatus subsp. separans (Peck) Hlaváček (1994)
  • Xanthoconium separans (Peck) Halling & Both (1998)

Boletus separans is a species of bolete fungus in the family Boletaceae.

Taxonomy

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The species was described as new to science in 1873 by American mycologist Charles Horton Peck.[1] In 1998, Roy Halling and Ernst Both transferred the bolete to the genus Xanthoconium.[2] Molecular phylogenetic analysis published in 2013 shows that it is more closely related to Boletus sensu stricto than to Xanthoconium.[3]

Description

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The brownish cap is 4–12 centimetres (1+124+34 in) wide with dented pits. There are 1–3 pores per millimetre, white when young, aging to yellow.[4] The stem is 4–12 cm tall and 1.5–3 cm (121+14 in) thick. The flesh is white, with a mild scent and taste; the smell is unpleasant when dried. The spore print is brownish.[4]

It resembles Xanthoconium purpureum and Tylopilus rubrobrunneus.[4]

Habitat and distribution

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It grows on the ground in the eastern United States from June to September.[4]

The species is a choice edible mushroom.[5]

See also

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References

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