Cap: 4-10 cm; bell-shaped to convex or widely conical at first, becoming broadly convex to broadly bell-shaped; slimy when fresh or wet, but often merely tacky or even dry; bald, but distinctively corrugated-wrinkled except in the very center; orange-brown to reddish brown or yellowish brown.
Gills: Attached to the stem; close; whitish, grayish, or pale lilac at first, becoming cinnamon to rusty with a slight hint of lilac; cortina ephemeral.
Stem: 7-12 cm long; up to 2 cm thick; more or less equal, terminating in a slightly rounded bulb; dry; finely silky; whitish to yellowish or pale brownish; often with rusty, slimy veil material around the bulb.
Flesh: Whitish; becoming yellowish to rusty in paces when exposed.
Odor and Taste: Not distinctive.
Chemical Reactions: KOH on cap surface dark red to black.
Spore Print: Rusty brown.
Microscopic Features: Spores 10-15 × 7-10 µ; amygdaliform; moderately to strongly verrucose. Pleurocystidia absent. Marginal cells clavate to subclavate. Pileipellis a slightly gelatinized cutis of ochraceous, encrusted elements.