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Unformatted text preview: elements o Vascular cambium: a cylindrical sheath of meristematic cells, the division of which produces secondary xylem and phloem o Pith: the ground tissue occupying the center of the stem within the vascular cylinder, composed of parenchyma o Cortex: ground tissue region of the stem bounded externally by the epidermis and internally by the vascular system...
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- Spring '08
- Biology, phloem, Vascular plant, Plant anatomy, vascular tissue, Liz Barclay, complex vascular tissue