Devil’s Bolete

Poisonous Poisonous
Autumn Autumn
Summer Summer

A rare toxic Bolete, although it is quite poisonous, no fatalities have been recorded in the UK.

Mushroom Type
Common Names Devil's Bolete (UK), Satan's Bolete,, Cap Tyllog y Cythraul (CY), Krwistoborowik Szatański (PL), Sátántinóru (HU)
Scientific Name Boletus / Rubroboletus satanas
Synonyms Boletus satanas
Season Start Jun
Season End Oct
Average Mushroom height (CM) 6-9
Average Cap width (CM) 7-11
Please note that each and every mushroom you come across may vary in appearance to these photos.

Cap

7-11 cm. Convex but often rough and undulating. Off-white with light tan, buff, sometimes with red tones and can crack when dry.

Pores

Fine blood red pores fading to orange, bruising blue/green.

Stem

6-9 cm long, 4-10 cm diameter. Swollen towards the base, red/orange turning chrome yellow towards the apex. Usually covered in a fine red reticulation or mesh.

Flesh

White to pale yellow, turning pale blue when exposed to the air.

Habitat

With oak, beech and other broad-leaved trees.

Possible Confusion

Bitter Beech Bolete (Caloboletus calopus), pictured, has yellow pores.
Lurid Bolete (Suillellus luridus), looks similar but tends to have a darker cap and the stem is not as bulbous.
Bilious bolete (Rubroboletus legaliae) looks very similar but has red or pink tones in the grey cap.

Spore Print

Olive brown.

Frequency

Rare.

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