Definition
The pileus is the cap of a mushroom or other fruiting body of a fungus. π It's the umbrella-like structure that sits atop the stalk. It supports and protects the spore-bearing surface, often gills or pores, underneath. Pilei (plural) come in various shapes, sizes, and colors, depending on the species. Think of it as the hat of the mushroom. π© It's an essential part for identification. Its shape, texture, and color are important characteristics.π±