The vascular tissue in plants that conducts sugars and other metabolic products downward from the leaves.
- The conducting tissues within the vascular bundles are the xylem and phloem.
- For the stem, the outermost green tissue, including both phloem and cambium were estimated.
- Root tissue samples are hereafter referred to as periderm, phloem and xylem.
Late 19th century: from Greek phloos 'bark' + the passive suffix -ēma.
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