SEM of pansy petal

SEM of pansy petal

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Caption: Pansy petal. Coloured scanning electron micrograph (SEM) showing papillae on the petal of a pansy flower, Viola cornuta. Papillae are projections from epidermal cells. They are often swollen and covered in wax to help reduce water loss by the flower. Brightly coloured petals in a flower serve as visual attractants to pollinators. Pansies rely on insect pollinators to spread the male pollen to the female stigmas of the flower. They have been cultivated for so long that their origin is uncertain. Their striking colours are an artifical production of gardeners and differ greatly from related wild plants. Magnification: x122 at 6x7cm size.

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Keywords: botany, epidermis, flower, flowering part, nature, pansy, papilla, parts, petal, petal papillae, plant, plants, viola cornuta, viola coruta

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