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This mushroom turns blue when bruised and gets its name from its dusky colour

the gist

The lurid bolete is a European woodland mushroom with an olive-brown cap that can reach 20 centimetres across, orange or red pores underneath and a stout ochre stem patterned with a red net. Like several red-pored boletes, it turns blue when cut or bruised. It is edible when properly cooked but can upset the stomach raw, and it can be mistaken for the poisonous Satan's bolete, so some guidebooks advise against eating it at all. Eaten with alcohol, it has been linked to reactions like those caused by coprine, though lab tests found no coprine. The fungus lives in partnership with oak, chestnut, birch and beech, and flies often feed on its fruit bodies.

so what

It is a good example of how hard it can be to separate a tasty wild mushroom from a dangerous lookalike, and why foragers lean on caution. Its tree partnerships are also part of how forests share nutrients underground.

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Image: Wikimedia Commons