Rooted boletus

Root boletus (Caloboletus radicans) Root boletus (Caloboletus radicans) Root boletus (Caloboletus radicans)

Root boletus (Caloboletus radicans)

Systematics:

  • Department: Basidiomycota (Basidiomycetes)
  • Subdivision: Agaricomycotina (Agaricomycetes)
  • Class: Agaricomycetes (Agaricomycetes)
  • Subclass: Agaricomycetidae (Agaricomycetes)
  • Order: Boletales
  • Family: Boletaceae
  • Genus: Caloboletus (Kalobolet)
  • Species: Caloboletus radicans (Root boletus)
    Other names for the mushroom:
  • Boletus stocky
  • Deep-rooted fly
  • Boletus whitish
  • Rooting boletus

Other names:

  • Boletus stocky

  • Deep-rooted fly

  • Boletus whitish

  • Boletus albidus

  • Boletus radicans

  • Boletus bitter spongy

  • Rooting boletus

  • Bitter spongy boletus

Root boletus (Boletus radicans)

Photo by I. Assyova

External description

The cap is 6-20 cm in diameter, sometimes reaches 30 cm, in young mushrooms it is hemispherical, then convex or cushion-shaped, the edges are initially bent, in mature specimens they are straightened, wavy. The skin is dry, smooth, whitish with gray, light fawn, sometimes with a greenish tinge; when pressed, it turns blue.

Gymenophorus depressed, the tubules are lemon-yellow, then olive-yellow, turn blue on the cut. The pores are small, rounded, lemon-yellow, and turn blue when pressed.

Spore powder olive brown, spores 12-164.5-6 microns in size.

Leg 5-8 cm high, occasionally up to 12 cm, 3-5 cm in diameter, tuberous-swollen, at maturity cylindrical with a tuberous base. The color is lemon yellow at the top, often with brown-olive or bluish-green spots at the base. The upper part is covered with an uneven mesh. Turns blue on the cut, at the base it acquires an ocher or reddish tint

The pulp is dense, whitish with a blue tint under the tubes, turns blue in the cut. The smell is pleasant, the taste is bitter.

Spread

Root boletus is widespread in Europe, North America, North Africa, although it is not common everywhere. A thermophilic species, prefers deciduous forests, although it is found in mixed forests, it often forms mycorrhiza with oak and birch. It is rare, from summer to autumn.

Similarity

Root boletus may be confused with the satanic mushroom (Boletus satanas), which has a similar cap color, but differs from it in yellow tubules and a bitter taste; with a beautiful pain (Boletus calopus) with a reddish leg in the lower half and an unpleasant odor.

Evaluation

Root boletus Inedible due to bitter taste, but not considered poisonous. In Pelle Jansen's good reference book, All About Mushrooms, it is mistakenly listed as edible, but the bitterness does not disappear when cooked.

Root boletus (Caloboletus radicans) Root boletus (Caloboletus radicans) Root boletus (Caloboletus radicans)

Photo of the Borovik mushroom rooted in recognition issues:

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Hunting, Fishing and Mushrooms: a magazine for hunters and fishers.
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