Inonotus triqueter  - Sporocarps annual, durable, attached sideways or growing out of the stem. In a group, usually arranged roof tiles, sometimes sprouted.

Hat diameter 30-100 mm, circular, semicircular. Area hairy in youth, later tuberous, pleated, usually radially or concentrically zoned; yellow, cinnamon-brown, old-brown age. Shore sharp, brighter, undulating. Hymenophore tubular, gray, gray-brown.

Tubes 2-5 mm long.

Pores round or slightly angular, irregular, 1-4 ma mm.

Stem 10-20 mm long, eccentric or lateral, thick, sometimes funnel-shaped. At the base woolly, hairy.

Heterogeneous pulp; upper, soft, felt; in the bottom - hard, golden brown, in the middle shiny. Mild taste.

Occurrence: in coniferous and mixed forests with pine, has stumps, roots, dead ends and dead pines. It grows singly or in few groups. Rare.

Value: Unaffected fungus.