October 2004 Hampshire. Photograph copyright Leif Goodwin.
Convex, expanding with age, white, developing a yellowish tinge, sometimes with a purplish tinge, bruising yellow, to about 10 cm across
Free, crowded, pinkish, then dark brown to blackish
Equal, often slender, sometimes twisted, base usually expanded, white, bruising yellow, ring large, fleshy and near the apex, often with buried mycelial strands at the base
Spores ellipsoidal, smooth (5-6) x (3-4) µm2. Basidia club shaped, 4 spored.