Cap: consisting of rounded, pulvinate, almost stemless cups which usually are confluent to form amorphus tuberous structures, individual cups are 3-14 cm across, upper surface is convex, tuberculate, in part pitted, smooth, dull, finely tomentose, later glabrous and aerolate, baked roll yellow to orange brown, margin is sharp, incurved.
Hymenophore: fine pored, young white, later creamy, pores rounded, decurrent onto the stem.
Spore print: white-hyaline
Spore: broadly elliptic, with drops, 4-5,2 x 3-3,5 μm
Stem: short and thick, usually up to several fused and trunklike, gradually merging with the cups.
Flesh: corky fleshy, white to creamy, odor is pleasant, taste is sometimes bitter.
Habitat: confluent to form clumps 20-30 cm across on soil in conifer forests or in alpine pastures under spruce, grows from summer to fall.