- Genus 2: Boletus
Tells: Some-shade-of-red cap. Yellow stem typically has bright red near the base, with dots/smears but not netting. Slightly acidic flavor. Yellow cap flesh quickly stains blue.
Other Information: Blue-staining yellow pores age to olive-yellow. Yellow stem often has live-gray tints and can fade to buff, esp. w/age. The cap’s “red” color can vary from rose-, brick-, orange-, wine-, etc. Likes sandy soil in oak or oak-pine woods. B. fairchildianus has extensive red or orange-red tints in the pore surface and the stem.
- NH4OH (Ammonia): Cap skin turns olive.
- KOH: Cap skin turns orange-yellow or maroon to brown.
- FeSO4 (Iron Salts): No data.