Word of the Day: growth ring
In a tree or shrub, the ring of wood developed during each growing season, as seen in a cross section of the trunk. When the trunk is cut, the rings can be counted to determine the age of the plant.
In a tree or shrub, the ring of wood developed during each growing season, as seen in a cross section of the trunk. When the trunk is cut, the rings can be counted to determine the age of the plant.