Blood red cap with red pores; red, webbed stalk; all parts bruise blue. Grows scattered on the ground in oak woods. June–October. Cap convex becoming flat; blood red; texture sticky, slimy; flesh is yellowish, instantly bruising blue. Pores small; round; deep red, bruising blue. Stalk usually straight, sometimes curving at the base; blood red, with yellowish raised webbing; bruises blue; texture webbed. Spore print olive brown. Spores magnified are smooth, elliptical.
Lookalikes: Other Boletus species, some of which may be poisonous. Avoid eating boletes with orange to red pores, and those that bruise blue: “Pores of red—may put you to bed!”