epidermis
outermost single layer of cells in plants. the outer protective layer of cells of a plant, which may be thickened by a cuticle
en-GB/ˌɛpɪˈdɜːmɪs/
en-US/ˌɛpəˈdɝməs/
outermost single layer of cells in plants. the outer protective layer of cells of a plant, which may be thickened by a cuticle