Biology, asked by AryaGoswami1930, 11 months ago

Vascular bundles of bignonia stem

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Answered by tamil1604
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Vascular Bundles: In young stem vascular bundles are arranged in a ring and cambium is normal in disposition. Soon secondary growth starts, the cambial ring is formed and then it cuts-off different proportions of xylem and phloem at different points.
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