vascular tissue

American  

noun

Botany.

1. plant tissue consisting of ducts or vessels, that, in the higher plants, forms the system vascular system by which sap is conveyed through the plant.

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vascular tissue British  

noun

1. Also called: conducting tissue.  tissue of higher plants consisting mainly of xylem and phloem and occurring as a continuous system throughout the plant: it conducts water, mineral salts, and synthesized food substances and provides mechanical support

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vascular tissue Scientific  

1. The tissue in vascular plants that circulates fluid and nutrients. There are two kinds of vascular tissue: xylem, which conducts water and nutrients up from the roots, and phloem, which distributes food from the leaves to other parts of the plant. Vascular tissue can be primary (growing from the apical meristem and elongating the plant body) or secondary (growing from the cambium and increasing stem girth). Seedless plants, and nearly all monocotyledons and herbaceous eudicotyledons, have only primary vascular tissue. The evolution of vascular tissue, especially xylem with its rigid water-conducting cells known as tracheids, provided the plant stem with greater support and allowed plants to grow upright to great heights.

2. See also cambium ground tissue procambium See more at phloem xylem

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Etymology

Origin of vascular tissue

First recorded in 1805–15

Example Sentences

In the process of transmuting the mid-rib of the leaf, the plant undergoes a proliferation of new vascular tissue — and avoids rotting while the rest of the leaf withers away.

From New York Times • Feb. 25, 2024

Tree wounds that penetrate bark damage the cambium layer, vascular tissue that is vital to movement of water and nutrients in a tree.

From Seattle Times • Nov. 12, 2023

As long as a tree is not girdled — cut entirely around its circumference, severing all the vascular tissue — it will continue to live.

From Seattle Times • Nov. 12, 2023

Accompanying the prominence of the sporophyte and the development of vascular tissue, the appearance of true leaves improved their photosynthetic efficiency.

From Textbooks • Jan. 1, 2015

I should state that I now find that the granular matter is formed in the cells immediately beneath the thin epidermis, and a few other cells near the vascular tissue.

From Life and Letters of Charles Darwin — Volume 2 by Darwin, Francis, Sir