noun[mass noun] Botany
Tissue in the stem of a plant that gives rise to cork on its outer surface and a layer of cells containing chlorophyll on its inner.
- It has been widely suggested that phellem, a corky outer layer derived from the cork cambium may function as aerenchyma, but until now no-one had tested that hypothesis.
- Periderm is the other product of secondary growth; it is produced by the cork cambium, a cylindrical layer of cells which develops not far under the outer skin of the plant.
- Bark textures are a result of changes in cork cambium, and the furrows and cracks arise from stretching, as the circumference increases.
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Line breaks: cork cam|bium
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