A plant cuticle<span> is a protecting film covering the epidermis of leaves, young shoots and other aerial </span>plant<span>organs without periderm. It consists of lipid and hydrocarbon polymers impregnated with wax, and is synthesized exclusively by the epidermal cells.</span>
Notwithstanding its capacity as a porousness hindrance for water and different particles (counteract water misfortune), the small scale and nano-structure of the fingernail skin give particular surface properties that avoid sullying of plant tissues with outer water, earth and microorganisms.
