Cap 50-70 mm broad, obtusely conical to convex becoming plano-umbonate, glabrous, dark brown to brown overall when young, surface soon radially split and crscked into brown appressed scales over white background. Lamellae free, close, broad, white. Stem 70-100 x 8-10 mm, cylindrical, white with brown appressed scales; annulus white, thin, ephemeral, soon disappearing. Spore Deposit white. Edibility: unknown.