Flower of the chickweed

Flower of the chickweed

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Credit: DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY

Caption: False-colour scanning electron micrograph of the flower of common chickweed, Stellaria media, a self- pollinating plant found on uncultivated ground in Europe. In the background are the five sepals or calyx (green), which serve a protective function. Next are the 5 notched petals or corolla (yellow), which attract insects by their bright colour. Calyx & corolla together form the perianth. Three stamens topped by pollen-bearing anthers (male organs) lie between the petals & the capsule. At centre are the tufts of the stigmas (female organs) supported on stalks called styles. These connect the pollen-receiving stigmas with the ovary. Magnification: x5 at 6x4.5cm size.

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Keywords: botany, calyx, chickweed, corolla, flower, flowering part, nature, parts, perianth, petal, plant, plants, self pollination, sem, sepal, stellaria media, yellow petals

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