develops from plant epidermis dermal tissue (exact) epidermises (exact, plural) epidermides (exact, plural) multiseriate epidermis (related) 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. PO:0005679 PO_GIT:109 表皮 (Japanese, exact) A portion of plant tissue (PO:0009007) composed of plant epidermal cells (PO:0004013) that develops from the protoderm (PO:0006210) and covers the surface of a plant structure (PO:0009011). portion of epidermal tissue (exact) epidermal layer (exact) epidermis (Spanish, exact) plant_anatomy protoderm portion of plant tissue anatomical entity