A variety of morning glory vine has special epidermal cells which, though alive, lack most organelles and therefore permit maximal conduction of light to the ground tissue.These cells are kept alive by parenchyma cells that are attached to them by many plasmodesmata.These special epidermal cells are therefore like phloem cells, which

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Phloem cells, which are responsible for transporting substances like sugars through the plant, often have companion cells that help maintain their function and keep them alive, similar to how the parenchyma cells support the special epidermal cells in the morning glory vine.

A Variety of Morning Glory Vine Has Special Epidermal Cells