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False-colour SEM of chickweed flower
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False-colour SEM of chickweed flower
False-colour scanning electron micrograph of the reproductive structures of a flower of the chickweed, Stellaria media. The bulbous carpel, with the short-stalked female stigmas emerging from it, is at lower centre. Two of the long- stalked male anthers have closed in to contact the stigmas; a third remains separate at right, its tip covered with pollen. The droplets in the bottom right & left corners (blue) are nectar to attract pollinating insects. Chickweed is also self-pollinating. The round pollen grains on the stigmas show that this flower has been pollinated, probably by the anthers in contact with the stigmas. Magnification: x12 at 6x4.5cm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6288489
© DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY
Anther Carpel Chickweed Flowering Part Nectar Parts Re Production Reproductive Stellaria Media Stigma Style False Coloured
EDITORS COMMENTS
This print showcases the intricate beauty of a chickweed flower, captured through a false-colour scanning electron micrograph. The reproductive structures of this delicate flower are brought to life in stunning detail. At the lower center, we see the bulbous carpel with short-stalked female stigmas emerging from it, ready for pollination. Intriguingly, two long-stalked male anthers have closed in to make contact with the stigmas, while another remains separate on the right side. Its tip is visibly covered in pollen grains. This interaction suggests that pollination has taken place, most likely facilitated by these anthers. The presence of nectar droplets in vibrant blue hues at both bottom corners adds yet another layer of fascination to this image. These droplets serve as a sweet reward for pollinating insects and play a crucial role in attracting them towards this beautiful flower. Chickweed possesses the unique ability to self-pollinate; however, evidence suggests that external factors may have played a part here. The round pollen grains found on the stigmas indicate successful pollination by the anthers that made direct contact. Magnified twelve times and presented at 6x4.5cm size, this print captures not only nature's intricate design but also highlights various aspects of botany and plant reproduction. It serves as a testament to Science Photo Library's commitment to showcasing scientific marvels through their exceptional photography expertise.
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