A conifer-associated member of the suede bolete group with a velvety olive-brown to reddish brown cap, yellow pores, a ribbed yellowish stem and bright lemon-yellow basal mycelium. Unlike X. subtomentosus, its flesh does not turn blue and its cap flashes blue-green in ammonia. It was long confused with the suede bolete.
Edible as part of the suede bolete aggregate, though of mediocre quality and the stem is often woody. Confirm identity: avoid boletes with red or orange pores and reject bitter specimens (bitter Tylopilus). Cook thoroughly and try a small amount first.
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Mycology is an evolving science: names, classifications and safety information change as research advances. Entries are compiled from cited sources and reviewed, but may be incomplete or out of date — check the sources, and never rely on this library alone to identify or eat a mushroom.