Boletus separans

Boletus separans
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

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

The brownish cap is 4–12 centimetres (1+1⁄2–4+3⁄4 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 (1⁄2–1+1⁄4 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

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

Uses

The species is a choice edible mushroom.[5]

See also

References

  1. ^ Peck CH. (1873). "Descriptions of new species of fungi". Bulletin of the Buffalo Society of Natural Sciences. 1 (2): 41–72 (see p. 59).
  2. ^ Halling RE, Both EE (1998). "Generic affinity of Boletus separans". Bulletin of the Buffalo Society of Natural Sciences. 36: 239–243.
  3. ^ Nuhn ME, Binder M, Taylor AF, Halling RE, Hibbett DS (2013). "Phylogenetic overview of the Boletineae". Fungal Biology. 117 (7–8): 479–511. doi:10.1016/j.funbio.2013.04.008. PMID 23931115.
  4. ^ a b c d Audubon (2023). Mushrooms of North America. Knopf. p. 328. ISBN 978-0-593-31998-7.
  5. ^ Phillips, Roger (2010). Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. p. 269. ISBN 978-1-55407-651-2.


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