Tells: Stem has a double ring & stains brown. Yellow pores age to brown & bruise brownish cinnamon. Pale flesh stains reddish-brown.
Other Information: Viscid, buff-yellow cap ages toward reddish-brown & is often misshapen. Young specimens have a veil. Likes oak, but also other shade trees. Spores are round under a microscope, which is all but unique for boletes.
- NH4OH (Ammonia): Dried specimen cap skin and flesh had no reaction.
- KOH: Dried specimen cap skin and flesh turn pinkish.
- FeSO4 (Iron Salts): Dried specimen cap skin and flesh turn grayish.