Gyromitra infula - Head diameter 30 to 80 mm, flesh-, cinnamon- or chestnut-brown, often with a few peaks, concave, saddle, thin-skinned, differentiated into two or three (rarely up to four) raised, more or less sharpened corners; to the shaft attached only in places, inside empty. Wavy surface - wrinkled, chipped or just pitted. The inside of the head is cream-colored, flesh-colored.

Stem 30 to 110 mm high, 20 to 40 mm thick, cylindrical, gray-white to flesh, often well-developed, frosted, usually slightly flattened, at the top widened, at the base tapered; surface sometimes pleated or with cavities, in young sporocarps full, in the elderly chamber or empty, with meat, sometimes also purple shade.

Pulp 15 - 30 mm thick, waxy, very crumbly with a vague taste and smell.

Occurrence: Mainly in damp mountain and foothill forests in coniferous forests (spruce, pine), and mixed at the edges of forest paths and ditches, among lying trunks in timber depots, on stumps or stumps. From September to November.

Value: Although usually served as edible and tasty, due to the close relationship with the strongly poisonous chestnut purity and doubts of the authors of atlases, it is better not to move it!