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devil's bolete (Rubroboletus satanas)
Rubroboletus satanas is a massive tubercle with a light gray cap, red pores and red neted, bulbous stem. It grows mainly on lime under deciduous trees and is poisonous.
Scientific name: Rubroboletus satanas
Features
The cap is 10 to 25 cm wide, white gray to light olive gray, later with pink shades on the edge. The tubes are yellow, the pores blood red to orange red; they blue on pressure. The stem is thick and bulbous, yellow at the top, carmine red in the middle to the bottom with red net. Ring and volva are missing. Older specimens smell unpleasantly like carrion. The flesh is whitish to pale yellow and blue in the cut only moderately. Olive brown
Habitat
Deciduous trees, especially oak and European beech.. Lime-containing soils in heat-favoured areas.. Especially in warmer, lower elevations; spread in Europe south.
Season
Summer to early autumn.
Weather and fruiting
Toxic. Thick red stem, pale cap — after warmth and rain under oak, but never for food.
Lookalike risk
Scarletina bolete: His cap is dark brown, the stem red flocks without net, the flesh immediately blues deep blue. Lurid bolete: His cap is olive to yellow brown, never white gray, and in the flesh above the tubes lies a red line. Bitter bolete: It has yellow pores and tastes bitter.
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FAQ
What does the map show?
Weather-based foraging chances, not a guarantee that fruit bodies stand at the pin.
Can I eat this mushroom?
No page replaces identification. If unsure, leave it or ask an expert.
Devil's bolete: is it edible?
No, it is poisonous. Toxic also cooked; causes violent crushing diarrhea.
Devil's bolete: when and where does it grow?
In central Europe the season runs June to September. Habitat: Deciduous trees, especially oak and European beech.
Devil's bolete: what are the lookalikes?
The most important distinction is from Bitter bolete (Caloboletus calopus, poisonous): It has yellow pores and tastes bitter. Other lookalikes: Lurid bolete, Scarletina bolete.
When is a trip worth it?
Toxic. Thick red stem, pale cap — after warmth and rain under oak, but never for food.