The cork cambium is a several-cell-thick layer that is constantly dividing. Cambial cells are analogous to human stem cells, also constantly dividing and when given a signal, form specific tissues.

Normal color for cambium tissue in oak trees is white or pink. If the tissue is dark yellowish/caramel colored, this indicates it’s damaged and lessens the likelihood of survival.

How do trees regrow roots after being cut? A new study sheds light on this question using cutting-edge spatial ...