- fruiting body is up to 20 cm broad, shelf-like, rubbery, with bands of sulphur yellow and orange
- older specimens are paler, brittle, chalk-like, and inedible.
- flesh is white to yellow tinted, firm, softer at the edges.
- underside is white to bright yellow, with tiny pores instead of gills.
- has no stem.
- grows in overlapping groups on logs, stumps, or from wounds of trees.
- appears in spring, summer, and fall.
- has a mild taste and odor; cook before eating.
- tip: harvest the soft outer margin of the younger specimens to avoid bitterness.
- warning: may cause allergic reactions in some people.