Boletus smithii

Yellow pores stain blue. Stout stem red/pink high & yellow low. Tawny cap reddens & may crack or fissure w/age.

Description

Genus: Boletus

Species: smithii

Common Name:

Tells: Yellow pores stain blue. Stout stem red/pink high & yellow low. Tawny cap reddens & may crack or fissure w/age.

Other Information: The red in the stem & lack of bitterness distinguishes from calopus and rubripes, which are inedible. Pale yellow cap flesh blues unpredictably, from rapid to erratic to not at all.

Edibility: Good.

CHEMICAL TESTS:

  • NH4OH (Ammonia): No data.
  • KOH: Cap skin turns dark reddish-brown to black.
  • FeSO4 (Iron Salts): Cap flesh turns blue-gray.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff 0 Mushrooms of West Virginia and the Central Appalachians 0 North American Boletes 157

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