Boletus patrioticus

Boletus patrioticus, also known as the patriotic bolete is a basidiomycete mushroom, of the genus Boletus in the family Boletaceae. Its name comes from its coloration (red skin, white flesh, blue bruising) resembling the flag of the United States.[1]

Boletus patrioticus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Boletales
Family: Boletaceae
Genus: Boletus
Species:
B. patrioticus
Binomial name
Boletus patrioticus
T. J. Baroni, Bessette & Roody, 1998
Boletus patrioticus
View the Mycomorphbox template that generates the following list
Pores on hymenium
Cap is convex
Hymenium is adnate
Stipe is bare
Spore print is olive-brown
Ecology is mycorrhizal
Edibility is edible, but unpalatable

It is not recommended to eat, tasting sour and being likely inedible when blue.[1][2]

Morphology

Cap

The cap is 3 to 13 cm in diameter, initially convex in shape, before becoming broadly convex to plane as it ages; The surface is dry with small hair, olive initially and then pinkish to dark red. The thick flesh is pale yellowish to pinkish red and does stain blue when bruised.

Pores

The pores are pale yellow when young, becoming olive yellow, bluing when bruised.

Stipe

From 2.5 to 10 cm long; 1-2 cm thick, dry, solid; rosy red on the upper part and olive on the bottom.

Spore print

The spore print is olive brown.

Spores

Subfusiform, smooth, deep golden brown, 10-13 x 4-5.5 µm[3]

Habitat and distribution

Forms mycorrhiza with hardwoods, especially oak and hickory; fruits in grassy areas, single, scattered, in summer and fall; ranging from North Carolina to Florida (south range) and to Ohio and Texas (west range).[3]

References

  1. "Boletus patrioticus ("Patriotic Bolete")". The Bolete Filter. 2015-07-23. Retrieved 2023-05-16.
  2. "Patriotic Bolete - Boletus patrioticus, species information page". www.brickfieldspark.org. Retrieved 2023-05-16.
  3. Bessette, Alan E.; Roody, William C.; Bessette, Arleen R.; Dunaway, Dail L. (2007-05-14). Mushrooms of the Southeastern United States. Syracuse University Press. ISBN 978-0-8156-3112-5.
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