Formerly Boletus illudens. Identification can be difficult. Chemical reaction is recommended for a proper identification. A drop of Ammonia on the cap produces an green reaction. Cap is velvety-brown to reddish-brown when younger, which eventually dries and cracks exposing the yellow flesh underneath. Lack of any blue staining on its surfaces and flesh. Yellowish poor surface. Pores are widely spaced as compared to other boletes, large and angular.
It is found growing near oaks, which it favors, in summer and fall.