The veins of Gramineae (monocotyledonous plants) are often parallel veins, while dicotyledonous plants have reticular veins.
2. Epidermal cells are different
The epidermal cells of Gramineae leaves are rectangular in regular arrangement, while the epidermal cells of dicotyledonous leaves are irregular in shape.
Gramineae leaves have epidermis, while dicotyledonous leaves have no epidermis.
Among them, sweet potato leaves belong to Gramineae leaves and tobacco leaves belong to dicotyledonous leaves.
3. Different pores
The guard cells of Gramineae leaves are dumbbell-shaped with secondary guard cells, while the guard cells of dicotyledonous leaves are kidney-shaped without secondary guard cells.
4, mesophyll is different
Dicotyledonous leaves can be divided into palisade tissue and sponge tissue, while Gramineae leaves can't.
Baidu encyclopedia-monocotyledonous plants
Baidu encyclopedia-dicotyledonous plants
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