Pioppini mushrooms are small to medium in size with convex to flattened caps connecting to thin, elongated stems. The firm, soft, and silky caps average 3-10 centimeters in diameter and range in color from dark brown to light brown-grey growing darker towards the center. Underneath the cap, there are small, grey-brown gills containing dark spores and the gills connect to the fibrous cream-colored stem that has a texture similar to asparagus. When cooked, Velvet Pioppini mushrooms have a faint floral aroma and are meaty and crunchy with a nutty, slightly sweet, peppery, and earthy flavor.