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Pollinated flower pistil, SEM
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Pollinated flower pistil, SEM
Pollinated flower pistil. Coloured scanning electron micrograph (SEM) of pollen (round, orange) on the stigmas (yellow) of a field pennycress (Thlaspi arvense) flower pistil. The pistil is the female reproductive part of the flower. It can be divided into several carpels with a stigma at their tips. The stigma is where pollen lands during pollination. The pollen grains are male gametes (reproductive cells) that can fertilise a female gamete to produce a seed. This requires the male gamete to travel down the style (the structure that supports the stigma) to the ovary at the base of the pistil. Magnification: x33 at 6x7cm size
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Media ID 6287121
© SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY
Carpel Grain Grains Pistil Pollen Pollination Re Production Reproductive Stigma Structures Thlaspi Arvense
EDITORS COMMENTS
This print captures the intricate beauty of a pollinated flower pistil. In this coloured scanning electron micrograph (SEM), we are presented with a close-up view of pollen grains, round and vibrant orange in color, delicately resting on the stigmas of a field pennycress flower pistil. The stigmas themselves are a striking shade of yellow, creating a visually stunning contrast against the backdrop of nature's canvas. The pistil depicted here is an essential component of the flower's female reproductive system. It consists of several carpels, each housing a stigma at its tip. These stigmas serve as landing pads for pollen during the crucial process of pollination. Pollen grains, acting as male gametes or reproductive cells, have the potential to fertilize female gametes and initiate seed production. To achieve successful fertilization, these tiny male gametes must navigate down the style -the supportive structure for the stigma- towards the ovary located at the base of the pistil. This remarkable journey highlights both nature's precision and complexity. With a magnification level set at x33 and printed at 6x7cm size, this SEM image allows us to appreciate every minute detail within this botanical wonderland. From its scientific significance to its aesthetic allure, this photograph serves as a testament to both our curiosity about plant anatomy and our admiration for Earth's natural wonders.
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