Similar imagesView all
Tree Trunk Cross Section Showing Annual Growth Rings Full Frame Stock PhotoTree Ring,Cross Section,Tree Trunk,Aging Process,Concentric,Growth,Full Frame,No People,Circle,Color Image,Day,Extreme Close-Up,Horizontal,Indoors,Photography,Time,Zen-likePhotographer Dietrich RoseCollection: The Image Bank Annual growth rings show the growth of a tree each year. The width of each ring is affected by climate and other environmental variables. Older rings, which are usually darker and non-functional, are called heartwood. The young rings are called sapwood.