 The species' common name is the "American abrupt-bulbed Lepidella".In "Amanita abrupta", as with most mushrooms, the bulk of the organism lies unseen beneath the ground as an aggregation of fungal cells called hyphae; under appropriate environmental conditions, the visible reproductive structure (fruit body) is formed.The cap has a diameter of , and has a broadly convex shape when young, but eventually flattens.