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Easter cactus stigma, SEM
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Easter cactus stigma, SEM
Easter cactus stigma. Coloured scanning electron micrograph (SEM) of part of the stigma (pink) of an Easter cactus flower (Rhipsalidopsis gaertneri). This is the top part of the female reproductive structure (carpel) of the flower. Pollen grains containing the male sex cells land on the stigma and may move down the style (not seen) into the ovary (not seen). If the male cells fertilise the female sex cells (ovules) in the ovary, then the carpel may ripen to form a fruit that contains the plants seeds. Magnification: x340 at 6x7cm size
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Media ID 6288919
© SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY
Flowering Part Parts Re Production Reproductive Stigma Epiphyllum Rhipsalidopsis Gaertneri Schlumbergera
EDITORS COMMENTS
This print showcases the intricate beauty of an Easter cactus stigma. The coloured scanning electron micrograph (SEM) reveals a close-up view of the top part of the female reproductive structure, known as the carpel. Delicately colored in pink, this stigma serves as a landing pad for pollen grains containing male sex cells. The mesmerizing image highlights the crucial role played by the stigma in plant reproduction. As pollen lands on its surface, it may travel down the unseen style and into the ovary, which is also hidden from view. If successful fertilization occurs between male and female sex cells within the ovary's ovules, then this carpel has the potential to develop into a fruit that will bear seeds. With a magnification of x340 at 6x7cm size, this SEM photograph allows us to appreciate nature's intricate design on a microscopic scale. It provides insight into both botany enthusiasts and researchers studying plant reproduction processes. The featured flower belongs to Rhipsalidopsis gaertneri species commonly referred to as Easter cactus or Schlumbergera epiphyllum. This stunning visual representation captures not only its structural beauty but also emphasizes its importance in sustaining future generations through seed production. Science Photo Library presents this remarkable image that combines scientific exploration with artistic appreciation for nature's wonders.
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