Name in North American Boletes: Boletus calopus
- Genus 2: Boletus
Tells: Bitter flesh stains quickly blue. Red stem is very netted, browner low, & yellow by the pores. Yellow pores age darker & quickly blue. Likes hemlock.
Other Information: Olive- to gray-brown cap pales w/age & usually cracks or fissures in the center. NOTE: The species name “calopus” comes from Europe and will most likely have to be changed. Compare to Caloboletus inedulis, an American name.
Science Notes: DNA
- NH4OH (Ammonia): Cap flesh turns yellow-brown.
- KOH: Cap flesh turns yellow-brown.
- FeSO4 (Iron Salts): Cap flesh turns olive-green.