The surface of the leaf that you see is the "epidermis".
The epidermis covers the lower and upper sides of the leaf.
Answer: the epidermis of a leaf includes: upper epidermis and lower epidermis but if you are referring to the epidermis of an onion: it is only one layer
epidermis is the outermost covering of the leaf
epidermis
The leaf would curve to the upper epidermis exposing the lower epidemis
The upper epidermis is responsible for preventing water loss by evaporation. It does this by having a waxy cuticle on the top of the leaf. The lower epidermis has stomata, which allow gases to enter and leave the leaf as a result of photosynthesis and respiration.
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Epidermis
The upperside of a leaf
Epidermis.
The stoma, or pores of a plant control all gas exchange. The stoma is found in the epidermis of the leaf.
In a leaf,a most of the chloroplasts are found in the upper epidermis layer. A leaf has four distinct tissue layers, upper epidermis, lower epidermis, spongy layer, and palisade layer.