Pea flower pollination, SEM C016 / 0066

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Pea flower pollination, SEM C016 / 0066

Pea flower pollination. Coloured scanning electron micrograph (SEM) of pollen grains (ovals) on the stigma of a garden pea flower (Pisum sativum). The pollen grains, which contain male genetic material, have become trapped by the stigmas papillae (hair-like structures, green). The stigma is part of the female reproductive structure (pistil), which is formed from one or more carpels. Each carpel consists of a stigma, a style and an ovary (not seen). If the female sex cells (ovules) in the ovary become fertilised by the pollen grains male sex cells, the carpel may ripen to produce a fruit containing seeds

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 9238329

© SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY

Carpel Gamete Grains Papilla Papillae Pistil Pisum Sativum Plants Pollen Grain Pollination Reproduction Reproductive Stigma Garden Pea

EDITORS COMMENTS
This print showcases the intricate process of pea flower pollination. In this coloured scanning electron micrograph (SEM), we witness the beauty and complexity of nature's reproductive mechanisms. The image captures pollen grains, which carry male genetic material, delicately arranged on the stigma of a garden pea flower (Pisum sativum). These tiny ovals become trapped by the stigmas papillae, hair-like structures that are vividly green against a black background. The stigma is an essential part of the female reproductive structure known as the pistil, composed of one or more carpels. Each carpel consists of a stigma, style, and ovary (not visible in this image). If fertilization occurs between the female sex cells (ovules) within the ovary and male sex cells contained in these pollen grains, then it may lead to fruit development with seeds. This mesmerizing photograph not only highlights the structural intricacies but also emphasizes how plants rely on pollination for reproduction. It serves as a testament to both botanical wonders and scientific advancements in imaging technology such as scanning electron microscopy (SEM). Photographer Susumu Nishinaga from Science Photo Library has skillfully captured this momentous event in plant biology—a visual reminder that life continues to flourish through natural processes like pollination.

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