In woody plants, a sheath or layer just under the bark where new layers of cells are formed is called the:

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Study for the Virginia Commercial Applicator Turf Category 3B Exam. Use flashcards and multiple-choice questions with helpful hints and explanations. Prepare effectively for your exam!

Multiple Choice

In woody plants, a sheath or layer just under the bark where new layers of cells are formed is called the:

Explanation:
The vascular cambium. In woody plants, this thin meristematic layer sits just inside the bark and continually forms new cells. It adds secondary xylem (toward the inside) and secondary phloem (toward the outside), which is how the stem thickens over time. Xylem and phloem are the tissues produced by the cambium, not the layer itself, and the cortex is a different tissue located outside the vascular bundle.

The vascular cambium. In woody plants, this thin meristematic layer sits just inside the bark and continually forms new cells. It adds secondary xylem (toward the inside) and secondary phloem (toward the outside), which is how the stem thickens over time. Xylem and phloem are the tissues produced by the cambium, not the layer itself, and the cortex is a different tissue located outside the vascular bundle.

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