It is a single-layer of cells that covers the leaves, flowers, roots and stems of plants.
Plants with stems, such as tree trunks, that are hard and do not bend easily. Woody stems usually don't die back to the ground each year. Photosynthesis: A process by which a plant produces its food using energy from sunlight, carbon dioxide from the air, and water and nutrients from the soil. They act like the plant's plumbing system, conducting water and nutrients from the roots and food in the form of glucose from the leaves to other plant parts. Stems can be herbaceous like the bendable stem of a daisy or woody like the trunk of an oak tree. Stems. Stems do many things. They support the plant. They act like the plant's plumbing system, conducting water and nutrients from the roots and food in the form of glucose from the leaves to other plant parts. Stems can be herbaceous like the bendable stem of a daisy or woody like the trunk of an oak tree. The epidermis of petals also form a variation of trichomes called conical cells. These cells all develop from the pavement cells, which make up the majority of the plants surface cells. In short, cellular differentiation of the epidermal cells is controlled by two major factors: genetics and environmental conditions. Stomata are holes in the plant epidermis that are surrounded by two guard cells, which control the opening and closing of the aperture. These guard cells are in turn surrounded by subsidiary cells which provide a supporting role for the guard cells. Stomata begin as stomatal meristemoids. Most plants have an epidermis that is a single cell layer thick. Some plants like Ficus elastica and Peperomia, which have periclinal cellular division within the protoderm of the leaves, have an epidermis with multiple cell layers. Stomata are holes in the plant epidermis that are surrounded by two guard cells, which control the opening and closing of the aperture. These guard cells are in turn surrounded by subsidiary cells which provide a supporting role for the guard cells. Stomata begin as stomatal meristemoids. 1 Support for and the elevation of leaves, flowers and fruits. 2  The stems keep the leaves in the light and provide a place for the plant to keep its flowers and fruits. 3  Transport of fluids between the roots and the shoots in the xylem and phloem. A stem is one of two main structural axes of a vascular plant, the other being the root. The stem is normally divided into nodes and internodes: 1  The nodes hold one or more leaves, as well as buds which can grow into branches (with leaves, conifer cones, or inflorescences (flowers)). 7. epidermis. The epidermis cells (from the Greek επίδερμίδα, meaning over-skin) is a single-layer of cells that covers the leaves, flowers, roots and stems of plants. It forms a boundary between the plant and the external environment. Stomata are holes in the plant epidermis that are surrounded by two guard cells, which control the opening and closing of the aperture. These guard cells are in turn surrounded by subsidiary cells which provide a supporting role for the guard cells. Stomata begin as stomatal meristemoids. Stems have four main functions which are: 1  Support for and the elevation of leaves, flowers and fruits. 2  The stems keep the leaves in the light and provide a place for the plant to keep its flowers and fruits. A stem is one of two main structural axes of a vascular plant, the other being the root. The stem is normally divided into nodes and internodes: 1  The nodes hold one or more leaves, as well as buds which can grow into branches (with leaves, conifer cones, or inflorescences (flowers)). Abstract. The epidermis is the protective outer layer of clonally related cells covering all plant organs. It is composed of a number of specialised cell types which differentiate from the basal epidermal cell in adaptively significant frequencies and patterns. Plant epidermis fulfils a basic protective function, but specialised cells within the epidermis have specific roles. The aerial epidermis originates in the shoot apical meristem, the root epidermis in the root apical meristem and the seedling epidermis arises by isolation of the outer layer during embryogenesis. Transpiration. Transpiration helps keep the water moving. Plants have small holes in their leaves and flowers. If a plant has excess water, those holes open, allowing some of the water to evaporate. This creates a vacuum, aiding capillary action by pulling more water up the xylem. Plants also use water in photosynthesis, turning water and carbon dioxide into oxygen and sugar. But cut flowers usually do not photosynthesize much, because they generally have few leaves and are usually not put in bright sunlight. Why Do Plants Have Flowers? Flowers are used by a plant to have kids....er.....seeds, and new baby plants. Male parts of the flower make pollen, which is a yellow dust that contains all kinds of information on being a plant just like Dad. 
http://mbgnet.net/bioplants/parts.html http://mbgnet.net/bioplants/parts.html https://en.wikipedia.org/wiki/Epidermis_(botany) https://en.wikipedia.org/wiki/Epidermis_(botany) https://en.wikipedia.org/wiki/Plant_stem https://en.wikipedia.org/wiki/Epidermis_(botany) https://en.wikipedia.org/wiki/Plant_stem http://www.els.net/WileyCDA/ElsArticle/refId-a0002072.html http://www.gardenguides.com/90290-flower-absorb-water.html http://www.rain.org/global-garden/science/garden-why-do-plants-have-flowers.html
what does the epidermis do in a flower plant