phloem
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- Specialized vascular plant tissue for the transport of assimilates (generally sugars) from the point of synthesis (in the leaf) to other parts of the plant. It consists of sieve tubes, companion cells, phloem parenchyma and fibres.
UN Food and Agriculture Organization - Cite This Source - This Definition - companion cell, fascicle, sieve tube, vascular bundle, vascular plant, vascular system