The cap of this mushroom species can reach a diameter of up to 22 cm. When the fruiting body is young, it has a semicircular shape with the edge rolled up inside, then it becomes cushioned, convex. The color of a young mushroom is initially yellowish brown, later reddish brown, and even slightly red.
The tubes of young mountain butterflies are yellowish in color. Mature specimens have greenish, olive-colored tubes
The pores, like the tubes, are light golden yellow with age olive green until they turn golden brown.
The leg is thick, barrel-shaped, then it becomes cylindrical. It has a yellowish color. It has a delicate mesh that fades with age. It's full inside.
The flesh of young boletus is hard, firm, and becomes soft with age. The color of the flesh is yellow, at the bottom of the leg it turns pink. The mushroom has a very pleasant and delicate mushroom flavor and aroma.
Occurrence. It is a very rare species of fungus, it occurs mainly in piedmont and mountain areas, mainly under fir and spruce trees. Likes acidic soil. Usually it grows singly, but there are habitats of a few in a group.
Application. A very tasty edible mushroom.
