Fruiting Bodies 100-180 mm broad x 100-140 mm radius x 30-40 mm thick, semicircular to shelflike, upper surface cracked, lumpy, dry, roughened, dark brown to grayish brown, often covered with a powdery golden yellow Spore Deposit; flesh fibrous, corky, brownish orange. Pores angular, 1-3 per mm, lavender-buff; tubes in one layer 7-10 mm thick, yellowish brown. Stem absent. Spore Deposit golden yellow. Edibility; unknown.