This species is Australasian, distinct from C. piperatus, and often misidentified.

Cap: 20-60 mm, convex to plano-convex. Surface dry, finely velvety, sometimes slightly tomentose. Colour orange-brown, rust-orange, or warm cinnamon; often more vivid than C. piperatus. Margin even, sometimes slightly paler.
Pores & Tubes: Pores small, round to angular. Colour orange-yellow to orange-brown, often deeper than the cap. Tubes concolorous, not bruising blue. Pore surface may darken slightly with age or handling.
Stipe: 30-70 mm x 5-12 mm, slender, smooth, dry. Colour orange-yellow, orange-brown, or rusty brown, usually matching the cap. No reticulation. Basal mycelium yellow (a key Chalciporus trait).
Flesh: Pale yellow to orange-yellow. No colour change when cut. Taste mild to slightly peppery.