Fruitbodies: Simple to sparsely branched, 20-80 mm tall, arising singly or in small groups. Clubs thick, subcylindrical, often irregularly flattened, with a characteristic wrinkled or rugose surface-the key diagnostic feature. Colour white, cream, or pale buff, sometimes slightly greyish with age. Texture brittle, snapping cleanly.
Apex: Rounded or blunt; occasionally with a single fork but rarely more branched.
Colour: White, cream, pale buff, or grey‑cream; drying paler or slightly yellowish.
Surface: Distinctly wrinkled, folded, or rugose, especially on the lower half of the club. Upper portions smoother but still irregular.
Base: Short, compact, whitish; not distinctly stalked.
Size: Clubs 20-80 mm tall and 5-15 mm thick; clusters 10-40 mm wide.
Growth habit: Solitary or in small scattered groups; rarely forming dense clusters.