Boletus satanas, commonly known as satanic boletus or boletus mushroom, is a fungus from the boletowie family. Found on chalky soil in mixed forests in the southern, warmer regions of Europe, it is widely regarded as a poisonous fungus, with mostly gastro-intestinal symptoms of nausea and violent vomiting found in raw or fried food. Poisonous mushroom.
The squat, bright-green fruiting bodies are large and impressive, with a light-brown, velvety cap up to 30 cm wide, with red-brown pores and a bulbous, red patterned stalk. The pulp becomes blue after cutting or bruising.