Name in North American Boletes: Boletus truncatus
- Genus 2: Boletus
- Genus 3: Xerocomus
Tells: Yellow pores age darker & stain blue/green. White flesh ages yellow & stains blue/green. Deep brown cap may redden w/age & often cracks.
Other Information: Stem starts yellow at the top & purple-red at the bottom, ages to dark rose-red overall, & may have ridges. The cracks in the cap usually have reddish tinges. Likes conifers or mixed woods. Basically indistinguishable from the other Red Crack Bolete (X. chrysenteron) without a microscope to examine the spores.
Science Notes: DNA testing moved this mushroom into the newly erected genus “Xerocomellus.”
- NH4OH (Ammonia): No data.
- KOH: No data.
- FeSO4 (Iron Salts): Cap flesh turns greenish gray.