Claim: Clitocybe nuda has gills on its emarginated hymenium (the tissue layer on the hymenophore of a fungal fruiting body) and convexed caps.
Evidence: gills on hymenium hymenium is emarginate cap is convex
or umbonate The hymenium is the tissue layer on the hymenophore of a fungal fruiting body where the cells develop into basidia or asci, which produce spores.