Russula gracillima is a species of mushroom that belongs to the Russulaceae family. It has a convex to broadly convex cap that is up to 8 cm (3 in) in diameter, and a stem that is up to 7 cm (2.8 in) tall and 2 cm (0.8 in) thick. The cap is initially yellowish-brown to reddish-brown, but fades to ochre or pale yellow with age. The gills are white to cream-colored and are narrowly attached to the stem. It has a mild taste and a fruity odor.