Boletus piedmontensis Grund & Smith New syn. Boletus firmus Cap 5-18cm across, convex becoming flatter; pinkish cinnamon to pinkish olive when older, sometimes grayish or pallid when young; dry, with a faint bloom, becoming smoother in age. Tubes 6-l0mm deep, moderated, depressed to depressed-decurrent; greenish yellow, blueing. Pores 2-4 per mm, subangular and round; deep red to orange-red with occasional patches of dark olive-brown in age, blueing when bruised. Stem 50-100 x 25-50mm, bulbous when young, equal in age; buff-yellow overlaid with rose red; reticulate at apex only, base with dull grayish tomentum. Flesh thick, firm; white with yellow patches, blue when cut. Odor pleasant. Taste mild to slightly bitter. Spores oblong to narrowly ellipsoid, 9-12.5 x 4-4.5µ. Deposit light olive-green. Habitat under mixed hardwoods. Found in North Carolina. Season August-September. Not edible.