he fleshy fungi bearing pores, whose spores are produced in on a hymenium lining the inside of tubes, rather than on gills. The mouths of the tubes appear as pores on the underside of the cap. Also known as "sponge mushrooms".
A bolete is a type of fungal fruiting body characterized by the presence of a pileus that is clearly differentiated from the stipe, with a spongy surface of pores (rather than gills) on the underside of the pileus. "Bolete" is also the English common name for fungal species having this kind of morphology.