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What are phylloclades? What are their fu...

What are phylloclades? What are their functions ?

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Phylloclades are the stems and their branches which get modified into green flattened (e.g., Opuntia) or cylindrical (e.g., Euphorbia royleana) structures in some xerophytes and perform photosynthetic functions due to presence of photosynthetic pigments. They show unlimited growth and coated by thick cuticle or waxy surface to reduce transpiration.
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Knowledge Check

  • Phylloclades are

    A
    Leaf modifications
    B
    One internode long stems
    C
    Modified petioles
    D
    Green succulent stems of indefinite growth

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