Lenticel
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A lenticel is a porous tissue consisting of cells with large intercellular spaces in the periderm of the secondarily thickened organs and the bark of woody stems and roots of gymnosperms and dicotyled
The dark horizontal lines on silver birch bark are the lenticels.
Visible lenticels on an Empire apple.
Lenticels on Prunus serrula
Lenticels on wild cherry or gean
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
Lenticel
…A lenticel is a porous tissue consisting of cells with large intercellular spaces in the periderm of the secondarily thickened organs and the bark of woody stems and roots of gymnosperms and dicotyledonous flowering plants. It functions as a pore…
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