Cork cambium
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Cork cambium is a tissue found in many vascular plants as a part of the periderm. It is one of the many layers of bark. It exists between the cork and the phelloderm. The cork cambium is a lateral mer
Cork cambium of woody stem (Tilia). It is different from the main vascular cambium, which is the ring between the wood (xylem) on the inside (top) and the red bast (phloem) outside it.
Quercus suber (cork oak) bark, Portugal
Vascular cambium
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The vascular cambium is the main growth tissue in the stems and roots of many plants exhibiting secondary growth, specifically in dicots such as buttercups and oak trees, gymnosperms such as pine tree
Cork cambium
…periderm. Cells that grow inwards from there are termed phelloderm, and cells that develop outwards are termed phellem or cork (note similarity with vascular cambium). The periderm thus consists of three different layers: phelloderm – inside of cork cambium; composed of living parenchyma cells…
Helianthus stem in section. The cells of the vascular cambium (F) divide to form phloem on the outside, located beneath the bundle cap (E), and xylem (D) on the inside. Most of the vascular cambium is here in vascular bundles (ovals of phloem and xylem together) but it is starting to join these up as at point F between the bundles.