A young specimen. 20 August 2005 Hampshire. Photograph copyright Leif Goodwin. Synonymns Boletus radicans, Boletus albidus Cap Convex, whitish to pale brown, finely hairy when young then smooth, to about 20 cm across Pores Lemon yellow, bruising blue Stem Club shaped, stout, lemon yellow with reddish brown spots especially at the base, sometimes decorated with a raised network Flesh Firm, yellow, rapidly turning blue on cutting Smell Pleasant Taste Bitter Season Summer to autumn Distribution Infrequent Habitat With deciduous trees, usually oak Spore Print Olivaceous snuff-brown Microscopic Features Spores ellipsoidal to sub-fusiform, smooth (10.5-12.5) x (4.5-5) µm2 Edibility Inedible |