Boletus pinophilus.White mushroom in a pine forest.

Boletus pinophilus.Fruitbody large to medium sized, boletoid, without veil and ring. Stipe solid, with surface usually covered with granules or network. Flesh variously coloured, changing or not when exposed to air. Tubes easily separable from each other, not tearing apart. Pores usually small and rounded. Description Cap up to 20 cm, hemispherical, later convex, flattened, rarely flat, usually wrinkled, rarely smooth, dry to slightly viscid, vinaceous brown to reddish brown, unchanging when bruised. Stipe clavate, often swollen, concolorous but slightly paler than the cap, with well developed network. Flesh white, sometimes with brownish or yellowish spots in the stipe base, often pinkish to pale vinaceous below the cap cuticle, unchanging when exposed to air. Tubes initially white, then cream, pale yellow to yellow with olivaceous tint, unchanging when exposed to air. Pores concolorous with the tubes, unchanging when bruised. Smell not distinctive. Taste not distinctive. Spores 13.0–21.0 × 3.5–6.5 μm, ratio 2.7–4.3. Pileipellis trichodermium of interwoven of septate and usually slightly gelatinized hyphae. Cells of the hyphae short cylindrical, not incrusted.

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