In.Monocot leaves the mesophyll consists of only arenchyma
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Mesophyll is a ground green tissue present in between upper epidermis and lower epidermis. In monocot leaf mesophyll tissue is not differentiated into palisade parenchyma and spongy parenchyma as in the case of a dicot leaf. The tissue of monocot leaf consists of only one kind of cells which are small oval or spherical or irregular shaped spongy parenchyma cells with chloroplasts and chlorophyll. This tissue is present in 6-7 layesrs with large intercellular spaces in between them. In between the epidermal layers of the monocot leaf as the undifferentiated spongy parenchyma with less number of chloroplasts and chlorophyll is present both the surfaces of the leaf appears to be of same coloration. This mesophyll tissue is concerned with photosynthesis process in the leaves of these plants.