Chalciporus pseudorubinellus

Chalciporus pseudorubinellus is a bolete fungus of the family Boletaceae. It is found in North America and Central America.

Chalciporus pseudorubinellus
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Boletales
Family:
Boletaceae
Genus:
Chalciporus
Species:
C. pseudorubinellus
Binomial name
Chalciporus pseudorubinellus
(A.H.Sm. & Thiers) L.D.Gómez (1997)
Synonyms[1]
  • Boletus pseudorubinellus Smith & Thiers (1971)

Taxonomy

The bolete was first described in 1971 by mycologists Alexander H. Smith and Harry Delbert Thiers as Boletus pseudorubinellus. The type collection was made in Cheboygan County, near Burt Lake in Michigan.[2] It was transferred to the genus Chalciporus in 1997.[3] Molecular analysis indicates that it is closely related to Chalciporus rubinus.[4]

Description

The fruit body has a yellow to red-pink cap that is 1.5–6 cm (0.6–2.4 in) across and convex in shape, sometimes with a central boss, and ages to a more cinnamon color. The cap surface is smooth and dry but can be slightly sticky when moist. The flesh 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 6–10 mm (0.2–0.4 in) long. The pinkish stipe is 3–7 cm (1.2–2.8 in) high and 0.4–1.2 cm (0.16–0.47 in) wide with a yellow base. The mushroom has no obvious smell or taste, although it is edible.[5]

The spores of the bolete are smooth, somewhat spindle shaped, and measure 9–13 by 3–4 µm. The club-shaped basidia (spore-bearing cells) are four-spored and measure 18–26 by 8–10 µm.[2]

Habitat and distribution

Chalciporus pseudorubinellus is found in conifer forests, often among moss, from New York west to Minnesota in North America, the mushrooms appearing from July to September.[5] The type collections was found growing in groups near spruce trees.[2] In Colombia, the bolete is associated with oak.[6]

See also

References
  1. "Chalciporus pseudorubinellus (A.H. Sm. & Thiers) L.D. Gómez, Revista de Biologia Tropical, 44 (supl. 4): 81, 1997". MycoBank. International Mycological Association. Retrieved 2013-05-25.
  2. Thiers HD, Smith AH (1971). The Boletes of Michigan. Ann Arbor, Michigan: University of Michigan Press. pp. 300–1. ISBN 978-0-472-85590-2.
  3. Gómez LD. (1996). "Basidiomicetes de Costa Rica: Xerocomus, Chalciporus, Pulveroboletus, Boletellus, Xanthoconium (Agaricales: Boletaceae)". Revista de Biología Tropical (in Spanish). 44 (suppl.4): 59–89.
  4. 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.
  5. Bessette AR, Bessette A, Roody WC (2000). North American Boletes: A Color Guide to the Fleshy Pored Mushrooms. Syracuse: Syracuse University Press. pp. 173–74. ISBN 0-8156-0588-9.
  6. Both EE. (1993). The Boletes of North America. A Compendium. Buffalo, NY: Buffalo Museum of Science. p. 250. ISBN 978-0-944032-54-1.
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