Biology:Boletus nobilissimus

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Boletus nobilissimus
Boletus nobilissimus 56343.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Boletales
Family: Boletaceae
Genus: Boletus
Species:
B. nobilissimus
Binomial name
Boletus nobilissimus
Both & R.Riedel, 2000[1]
Boletus nobilis
View the Mycomorphbox template that generates the following list
Mycological characteristics
pores on hymenium
cap is convex
hymenium is adnate
stipe is bare
spore print is brown
ecology is mycorrhizal
edibility: edible

Boletus nobilissimus is an edible basidiomycete mushroom, of the genus Boletus in the family Boletaceae. Long considered a variety of European Boletus edulis, it has become a species on its own in 2000, with 2010 molecular study finding that it is most closely related to B. atkinsonii, B. quercophilus of Costa Rica and then B. barrowsii of western United States.[2] It is found in abundance in open oak forests after heavy rains and warm weather (30°C or more).

Morphology

Cap

The cap is 9.5 to 15 cm in diameter, initially convex in shape, before becoming broadly convex to plane as it ages; The surface is dry with small hair, yellow brown to vinaceous brown, and then dark brown. The thick flesh is white and does not turn blue when bruised.

Pores

The pores are white when young, becoming yellowish or brownish yellow to greenish olivacous, unchanged when bruised.

Stipe

From 8 to 12 cm long; 1-3 cm thick, dry, solid; whitish or brownish; club shaped to bulbous with strongly raised reticulation.

Spore print

The spore print is yellowish-brown.

Spores

Ellipsoid to subfusiform, smooth, pale yellow, 11.5-13.5 x 4-5 µm.[3][4]

Habitat and distribution

Forms mycorrhiza with hardwoods, especially oak and beech in presence of pines; single, scattered, or gregarious, in summer and fall; collected in New England, New York,[3] and other Eastern parts of United States,[5] with distribution limits unknown.

References

  1. EE Both 2000
  2. "Molecular phylogenetics of porcini mushrooms (Boletus section Boletus)". Molecular Phylogenetics and Evolution 57 (3): 1276–92. 2010. doi:10.1016/j.ympev.2010.10.004. PMID 20970511. Archived from the original on 2013-05-23. https://web.archive.org/web/20130523094609/http://static.msi.umn.edu/rreports/2010/211.pdf. 
  3. 3.0 3.1 Bessette, Alan E.; Roody, William C.; Bessette, Arleen R. (2017-01-03) (in en). Boletes of Eastern North America. Syracuse University Press. pp. 123. ISBN 978-0-8156-5394-3. https://books.google.com/books?id=HHJ0DwAAQBAJ&q=boletus+nobilissimus&pg=123. 
  4. Bessette, Alan E.; Bessette, Arleen R.; Roody, William C. (2000-04-01) (in en). North American Boletes: A Color Guide to the Fleshy Pored Mushrooms. Syracuse University Press. pp. 133–134. ISBN 978-0-8156-0588-1. https://books.google.com/books?id=geiwy6Jf_ZcC&dq=%22boletus+nobilissimus&pg=133. 
  5. "Boletus nobilissimus Both & R.Riedel" (in en). https://www.gbif.org/species/6015253. 

External links

Wikidata ☰ Q2909354 entry