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Cross-section of the upperside of an oleander leaf
3 palisade parenchyma
English name: Oleander
Scientific name: Nerium oleander
The oleander leaf has a very thick cuticle and a multicellular epidermis (here three layers). The cells in the outer layer of the epidermis are relatively small, compared to those of the layers below, that have, however, thick walls. Also the palisade parenchyma is multilayered.