Rubroboletus Eastwoodiae
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''Rubroboletus eastwoodiae'', or satan's bolete, is a toxic
basidiomycete Basidiomycota () is one of two large divisions that, together with the Ascomycota, constitute the subkingdom Dikarya (often referred to as the "higher fungi") within the kingdom Fungi. Members are known as basidiomycetes. More specifically, Basi ...
fungus A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ...
of the bolete family. It occurs on the
West Coast of the United States The West Coast of the United States, also known as the Pacific Coast, Pacific states, and the western seaboard, is the coastline along which the Western United States meets the North Pacific Ocean. The term typically refers to the contiguous U.S ...
. It is closely related to ''
Rubroboletus pulcherrimus ''Rubroboletus pulcherrimus''—known as ''Boletus pulcherrimus'' until 2015—is a species of mushroom in the family Boletaceae. It is a large bolete from Western North America with distinguishing features that include a netted surface on the ...
''. The mushroom turns blue with bruising. The
cap A cap is a flat headgear, usually with a visor. Caps have crowns that fit very close to the head. They made their first appearance as early as 3200 BC. Caps typically have a visor, or no brim at all. They are popular in casual and informal se ...
is 10–25 cm wide, convex, olive-colored, pinkish in age, dry, has margin that curves inward then expands, and yellowish
flesh Flesh is any aggregation of soft tissues of an organism. Various multicellular organisms have soft tissues that may be called "flesh". In mammals, including humans, ''flesh'' encompasses muscle Skeletal muscles (commonly referred to as mu ...
. The stalk is 7–15 cm tall and 3–6 cm wide. The spores are olive-brown, elliptical, and smooth. It may be poisonous. It looks similar but is not
conspecific Biological specificity is the tendency of a characteristic such as a behavior or a biochemical variation to occur in a particular species. Biochemist Linus Pauling stated that "Biological specificity is the set of characteristics of living organ ...
with the European species''
Rubroboletus satanas ''Rubroboletus satanas'', commonly known as Satan's bolete or the Devil's bolete, is a basidiomycete fungus of the bolete family (Boletaceae) and one of its most infamous members. It was known as ''Boletus satanas'' before its transfer to the ...
''. It is also similar to ''
Boletus pulcherrimus ''Rubroboletus pulcherrimus''—known as ''Boletus pulcherrimus'' until 2015—is a species of mushroom in the family Boletaceae. It is a large bolete from Western North America with distinguishing features that include a netted surface on the ...
'' and '' B. amygdalinus''.


References

{{Taxonbar, from1=Q57832964, from2=Q18358952 eastwoodiae Fungi of the United States Fungi without expected TNC conservation status