What is the difference between cork cambium and vascular cambium?
Dicot plants have both cork and vascular cambium. These tissues are responsible for secondary growth in woody plants.
The core difference between cork cambium and vascular cambium is that cork cambium produces both cork and secondary cortex while vascular cambium produces secondary xylem and secondary phloem.
What Is a Cork Cambium?
Cork cambium is a layer beneath the epidermis and it is formed from the secondary meristem cells. The cambium comprises of parenchyma and collenchyma cells.
Characteristics of Cork Cambium
- Actively dividing cells
- Produce fatty substances
- Has pores for exchange of gases
- Cork cells tend to be dead cells
What Is a Vascular Cambium?
Vascular cambium is responsible for giving rise to secondary phloem and secondary xylem. It has a cylindrical secondary lateral meristem.
Characteristics of Vascular Cambium
- Secondary xylem occurs inside the cambium ring and secondary phloem on the outside
- Activities of the cambium are influenced by season
- Produce an annual ring in the stem
Comparison Chart: Cork Cambium vs Vascular Cambium
|Basic Terms||Cork Cambium||Vascular Cambium|
|Meaning||It is the lateral ring of the meristematic tissue in woody plants||It is the cylindrical layer of meristematic tissue found between the primary xylem and primary phloem.|
|Development||Formed from the secondary lateral meristem||Formed from the apical meristem.|
|Location||Outside the vascular tissue||Occur between the primary xylem and primary phloem.|
|Produce||Give rise to the secondary cortex and bark||Give rise to secondary xylem and secondary phloem.|
|Other Structures||Produce lenticels||Produce medullary ray|
|Main role||Offer protection against physical damage and prevents water loss.||Produce vascular tissue to help the conduction inside the plant and provides structural support to the plant.|
Core Difference between Cork Cambium and Vascular Cambium In Point Form
- Cork cambium is also known as phellogen while vascular cambium as cambium
- Cork cambium offers protection against mechanical damage and prevents water loss while vascular cambium produce vascular tissue for structural support and water conduction in the plant
- Cork cambium produces lenticels while vascular cambium produces a medullary ray
- The cork cambium gives rise to the secondary cortex and bark while vascular cambium gives rise to secondary xylem and phloem
- Cork cambium occur on the outside the vascular tissue while vascular cambium occur between secondary xylem and phloem
- Cork cambium is derived from the secondary lateral meristem while vascular cambium is derived from apex meristem
- Cork cambium inner derivative is the secondary xylem while that of vascular cambium is the phelloderm
- The peripheral derivative of vascular cambium is phellem while that of cork cambium is the secondary phloem
- Cork cambium cells are arranged as stratified manner while those of vascular cambium is in a non-stratified or stratified manner.
- The shape of cork cambium is rectangular or polygonal while that of vascular cambium is spindle-shaped or cuboidal.
Similarities between Cork Cambium and Vascular Cambium
- Both promote secondary growth in stems and roots
- Both originated from meristematic tissues
- Both have cylindrical rings
- Both have actively dividing cells
- Both provide protection and structural support to the plant
- Both are present in dicot plants
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The main difference between vascular cambium and cork cambium is that vascular cambium is a cylindrical layer of meristematic tissues that give rise to secondary xylem and phloem while cork cambium is the lateral layer of meristematic tissues in woody plants.