The epidermis can be composed of one or more layers of cells. In some species of vascular plants, the epidermis, which is a primary tissue, is replaced by periderm, which is secondary tissue, later in development. The epidermis can also include trichomes, stomatal pores, root hairs, and rhizoids.

A portion of plant tissue (PO:0009007) composed of epidermal cells (PO:0004013) that develops from the protoderm (PO:0006210) and covers the surface of a plant structure (PO:0009011).

epidermis (Spanish, exact)

epidermises (exact, plural)

dermal tissue (exact)

epidermal layer (exact)

表皮 (Japanese, exact)

portion of epidermal tissue (exact)

epidermides (exact, plural)

plant_anatomy

multiseriate epidermis (related)

PO:0005679