13 October 2005 Surrey. Photograph copyright Leif Goodwin.
Convex, then flattened, margin sometimes furrowed, cuticle peelable at the margin, bright to dull red, to about 10 cm across
Adnexed or decurrent, whitish then pale yellow
Cylindrical, finely grooved longitudinally, white, often reddish with age
Firm, brittle, white
Somewhat hot, sometimes bitter
Summer to autumn
Spores ellipsoidal, coarsely warty (7-10) x (6-8) µm2