Stem Anatomy · Botany

An open vascular bundle is one that contains:

  1. only xylem tissue present and absolutely no phloem cells at all
  2. only phloem tissue and absolutely no xylem cells
  3. no conducting tissue of any kind whatsoever
  4. vascular cambium located between the xylem and phloem
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Correct answer: vascular cambium located between the xylem and phloem

Open vascular bundles contain cambium between xylem and phloem. This cambium can produce secondary tissues and support secondary growth.

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