Cross section of a fire-scarred ponderosa pine; healing curls of wood can be seen at top left and right growing around the scar face where the fire killed the cambium (photo courtesy of L. Huckaby)
Cross section of a fire-scarred ponderosa pine; healing curls of wood can be seen at top left and right growing around the scar face where the fire killed the cambium (photo courtesy of L. Huckaby)