Epidermis (botany)
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The epidermis 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. The epidermis serves several fu
Stoma in a tomato leaf (microscope image)
Scanning electron microscope image of Nicotiana alata leaf's epidermis, showing trichomes (hair-like appendages) and stomata (eye-shaped slits, visible at full resolution)
Bark (botany)
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Bark is the outermost layer of stems and roots of woody plants. Plants with bark include trees, woody vines, and shrubs. Bark refers to all the tissues outside the vascular cambium and is a nontechnic
Epidermis (botany)
…construction and may serve different functions. Woody stems and some other stem structures such as potato tubers produce a secondary covering called the periderm that replaces the epidermis as the protective covering. The epidermis is the outermost cell layer of the primary plant body. In some older works the…
The bark of Pinus thunbergii is made up of multiple shiny layers.
Damaged bark of a cherry tree
Living tree bark enveloping barbed wire
Bark of mature mango (Mangifera indica) showing lichen growth