In some trees the cork cambium forms a more or less continuous ring, leading to a smooth bark. When there are breaks in the cambium the bark will be fissured or scaly. In contrast to the vascular cambium the cork cambium can be renewed.
Cork cambium
Corm - Often lumped as a bulb, and like a true bulb is an underground stem base, but is solid tissue rather than groups of scales. An example of a corm is freesia.
Corolla ...
cork cambium A layer of cells in the cambium that gives rise to cork.
phellogen (syn. cork cambium)A secondary meristem that produces phellem and phelloderm in the periderm of a trunk or stem.
phenetic classificationThe grouping of taxa by apparent similarities rather than evolutionary genetics.
 See also: Produce, Plant, Meristem, Genera, Cambium
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