'cork' is the bark of the cork oak tree.
Cork is a part of the bark on a Cork Oak Tree.
The oak tree has thick bark. In fact the Cork Oak has such thick bark it is used for cork boards.
Quercus suber the Cork Oak.
The cork oak is Portugal official tree.
The bark of Quercus suber, commonly called the cork oak, is the source of cork.
it is the inner bark of the cork oak tree.
The Cork Oak tree. ercus suber is known as the cork oak . Corks are made from the bark.
It is the primary source of cork for wine bottles in Spain.
The bark of cork trees. Often the Cork Oak. This does not damage the tree.
Cork is made from a cork tree or cork oak. This is a variety of quercus which is the family of trees including the oak.
Quercus Suber