Practice area: created for the 303-species Hungarian mushroom inspector requirement. It is not an official examination; requirements in other countries may differ.
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Black-capped Scaber Stalk
Black-capped Scaber Stalk Black-capped Scaber Stalk Black-capped Scaber Stalk Black-capped Scaber Stalk Black-capped Scaber Stalk

Black-capped Scaber Stalk

Leccinum pseudoscabrum

edible marketable
  • Habitat: deciduous
  • Fruiting season: June – October
  • Cap: hemispherical flat cracked wrinkled smooth
  • Stem: cylindrical club-shaped
  • Fertile layer: curved narrow

Description

Cap: 3-12 cm in diameter; hemispherical or convex, finally flattening, grayish-brown, becoming more or less black with age; surface smooth or slightly wrinkled, often cracking in dry weather, sticky when wet.

Tube layer: Curved before the stem, thus forming a groove around the stem, narrow-pored; whitish, then yellowish-gray, turning gray, blackening on pressure.

Stem: 5-10 cm long, 1-3 cm thick; elongated, cylindrical or club-shaped; dirty whitish, yellowish-gray base often with fine, blackish dots, granules, scales arranged in longitudinal rows.

Flesh: Quickly softening in the cap, hardening in the stem; fibrous, reddening when cut, then purplish-gray, finally blackening; smell, taste not characteristic.

Spore: Ochre-brown; 13-18.5 x 4-6μm; conical spindle-shaped, smooth, thin-walled.

Occurrence: From June to October, growing under hornbeam, common mushroom.

Edibility: Edible, marketable, but only tasty when young.

Confusion: Similar to the edible aspen bolete.

Note: Leccinum is an old Italian word meaning mushroom. carpini is Latin for hornbeam. pseudoscabrum is a compound word, from pseudo - false, and scabrum suffix - dirty, rough, warty - referring to the scaly, powdery surface of the mushroom stem.

Species description: In 1935, the German Franz Joseph Kallenbach (1893-1944) mycologist described it and named it Boletus pseudoscaber. In 1989, the Czech Josef Šutara (b. 1943) placed it in the Leccinum genus under the name Leccinum pseudoscabrum.

Taxonomy

  1. PhylumBasidiomycota
  2. ClassAgaricomycetes
  3. OrderBoletales
  4. FamilyBoletaceae
  5. GenusLeccinum
  • Species: pseudoscabrum
  • Described by: (Kallenb.) Šutara
  • Hungarian name: sötét érdestinóru
  • Lifestyle: mycorrhizal
  • Edibility: edible
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