cross section tree trunk showing growth rings and knot

navigate by keyword : wooden background wood tree trunk crosssection rings growth annual lines texture grain knot branch core center bark cambium sapwood heartwood age detail natural organic brown tan rough surface cut sawn timber lumber forestry nature environment material solid pattern concentric circular cracks imperfections sawdust fibers closeup macro

Detailed view of a cut tree trunk, revealing its annual growth rings and a prominent knot, showcasing the natural texture and history of the wood