Xerocomellus chrysenteron (“Red Crack Bolete”)

Olive-brown cap w/many red-edged cracks. Stem is yellow by pores, purplish-red by base, & bruises blue-green. Yellow pores age to brown & stain blue. Cap flesh blues slowly.

SKU: Boletus chrysenteron Categories: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Description

Name in North American Boletes: Boletus chrysenteron

Genus: Xerocomellus

  • Genus 2: Boletus
  • Genus 3: Xercomus

Species: chrysenteron

Common Name: “Red Crack Bolete”

Tells: Olive-brown cap w/many red-edged cracks. Stem is yellow by pores, purplish-red by base, & bruises blue-green. Yellow pores age to brown & stain blue. Cap flesh blues slowly.

Other Information: Stem may have ridges but is not netted. White mycelium. The rate of staining in the pores & flesh can vary a lot.

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

Edibility: Good.

CHEMICAL TESTS:

  • NH4OH (Ammonia): Cap surface may turn brown or have no reaction.
  • KOH: Cap surface turns dark brown or black. Cap flesh turns buff.
  • FeSO4 (Iron Salts): Cap flesh turns lemon yellow or olive.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff567Mushrooms of West Virginia and the Central Appalachians317North American Boletes104416

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