Hairs on a leaf of lemon balm

Bildnummer 12525862
Hairs on a leaf of lemon balm
Lemon balm leaf hairs. Coloured scanning electron micrograph (SEM) of the underside of a leaf of the herb lemon balm, Melissa officinalis. Numerous hairs (trichomes) cover the undersurface of the leaf. These unbranced multicellular hairs may have both a protective function against predators and serve to reduce evaporation from the leaf. Stomata or pores appear as small, green rounded structures; they serve to exchange gases and water from the leaf surface. Lemon balm is both a herbal and medicinal plant used in perfumes, as a sedative and to treat headache and toothache. Magnification: x900 at 6x7cm size.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / EYE OF SCIENCE
Bildgröße: 4175 px × 4213 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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