Xerocomus pseudoboletinus

Larger, reddish brown cap gets dark brown & scaly w/age, then cracks, fissures, & fades to tawny. Yellow cap flesh may stain weak green & often smells “soapy”.

Categories: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Description

Name in North American Boletes: Boletus pseudoboletinus

Genus: Xerocomus

  • Genus 2: Boletus

Species: pseudoboletinus

Common Name:

Tells: Larger, reddish brown cap gets dark brown & scaly w/age, then cracks, fissures, & fades to tawny. Yellow cap flesh may stain weak green & often smells “soapy”.

Other Information: Stem is pale yellow high, brownish low, & has coarse, brown, up-and-down ribs. Yellow to greenish yellow pores age to yellow-brown, stain blue and are elongated by the stem. Likes sandy soil in oak or oak-pine woods. Fairly common from Florida west through Texas.

Science Notes: DNA testing moved this mushroom into the newly erected genus “Xerocomus.”

Edibility: Good.

CHEMICAL TESTS:

  • NH4OH (Ammonia): Cap surface turns blue or blue-green in young specimens.
  • KOH: Cap surface turns brown in young specimens.
  • FeSO4 (Iron Salts): Cap flesh turns dull green.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff  0 Mushrooms of West Virginia and the Central Appalachians  0 North American Boletes 140 BENA 423

Got something to discuss?