False butter dish (Boletinus paluster)Systematics:
- Department: Basidiomycota (Basidiomycetes)
- Subdivision: Agaricomycotina (Agaricomycetes)
- Class: Agaricomycetes (Agaricomycetes)
- Subclass: Agaricomycetidae (Agaricomycetes)
- Order: Boletales
- Family: Suillaceae (Oily)
- Genus: Boletinus (Boletin)
- Species: Boletinus paluster (Butter dish)
- Other names for the mushroom:
- Boletin marsh
- Marsh grate
The hat is 5 - 10 cm in diameter, cushion-shaped, flat-convex, with a central tubercle, tomentose-scaly, dry, fleshy, very bright in youth: burgundy, cherry or purple-red; in old age it turns pale, acquires a yellowish tint, becomes red-ocher. Remnants of the bedspread are sometimes visible along the edge of the cap.
The tubular layer is first yellow, then yellowish-buffy, brownish, strongly descending on the peduncle; in young mushrooms, it is covered with a dirty pink filmy veil. The openings of the tubes are radially elongated. The pores are wide, up to 4 mm in diameter.
The spore powder is pale brown.
Leg 4 - 7 cm long, 1 - 2 cm thick, slightly thickened at the base, sometimes with noticeable ring remnants, yellow at the top, reddish under the ring, lighter colored than the cap, solid.
The pulp is yellow, sometimes slightly blue. The taste is bitter. The smell in young mushrooms is inexpressive, in old ones it is slightly unpleasant.
False oiler lives in larch forests and mixed forests with the presence of larch, in dry and humid places, in July - September. Widely distributed in Western and Eastern Siberia, as well as in the Far East. In the European part of Russia, it is found in cultivated plantations of larch.
Asian boletin (Boletinus asiaticus) has a similar appearance and color, is distinguished by a hollow stem and a more graceful structure
False Butter - Edible mushroom , but does not differ in high taste. Due to the bitter taste, it is only suitable for pickling or pickling after soaking for 2-3 days and boiling for 20 minutes. According to foreign experts: an inedible or even poisonous mushroom.
The generic name Boletinus is derived from Boletus + inus, a finite element indicating similarity. Specific epithet paluster lat. swamp.