Found this on an oak in Louisiana, what is its purpose? : r/forestry

On The Trail Of Our Elders

As strong as an oak - LSU AgCenter

What kind of oak is this? South Louisiana : r/Tree

Quercus macrocarpa

What kind of oak is this? South Louisiana : r/Tree

Louisiana: Oak Alley Plantation

Before America Was America - American Forests

Explore Louisiana's Giant Live Oak Trees

Oak Tree Roots, Live Oak, Old Trees, Palmetto, Massive Trees, Tree

Before America Was America - American Forests

Quercus Quest – My Ongoing Journey With Louisiana Live Oaks

Native Oak Trees: A Must-Have for Your Landscape

Frontiers Seasonality of Biennial Burning Has No Adverse Effects

Explore Louisiana's Giant Live Oak Trees

Live Oak (Quercus virginiana): Southern Majesty and Resilience