Cap convex in shape when young and flattens with age, colour is quite variable from light brown to reddish-brown. Flesh white, unchanged when cut or bruised. The pore layer is quite hard when young and white changing to yellowish then to pea soup green to greenish-brown becoming fairly soft at maturity. Tubes are white at first, slowly becoming greyish-yellow to olive-brown. Stem often very thick and club-shaped and usually finely reticulated meaning it has a net-shaped raised pattern on the surface. The reticulation is most pronounced near the top. The colour can vary from whitish cream to reddish-brown. It can become cylindrical at maturity. Ring absent. Interior solid. Spore print olive-brown.
Microscopic Features: The spores are subfusiform (narrow and tapering at both ends), smooth, and measure 14-17 x 5-7μm.
Similar species include Boletus pinophilus and Tylopilus felleus which is similar when young but tastes bitter.
Boletus edulis on the First Nature Web site.
Boletus edulis on the MushroomExpert.Com Web site.
Boletus cf. edulis on the MushroomExpert.Com Web site.
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