Broad bean flower, light micrograph
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Broad bean flower, light micrograph
Broad bean flower. Polarised light micrograph of a section through a flower from a broad bean (Vicia faba) plant, showing the stamens and stigma. The central style (black and orange) tapers to a tip (red and white) to produce the sponge-shaped stigma with hairs on the underside which trap pollen grains (red) from its own pollen to stop self-pollination. The stamens are fused below into a tube, but the tubular filaments (blue and orange with red spots) are free at their ends and lead to the anthers (dark, orange-spotted). The anthers have pollen sacs, which have split to release their pollen grains. Magnification: x5 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6340173
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Androecium Anther Anthers Broad Bean Cell Biology Cytological Cytology Dicot Dicots Dicotyledon Dicotyledons Filament Filaments Fused Grains Histological Histology Microscopy Polarised Light Pollen Grain Pollen Sac Reproductive Structure Sacs Stain Stained Stamen Stamens Stigma Structural Structures Style Tissue Vicia Faba Cells Light Micrograph Light Microscope Section Sectioned
EDITORS COMMENTS
This stunning print captures the intricate beauty of a broad bean flower at a microscopic level. The polarised light micrograph reveals the delicate details of the flower's structure, showcasing its male and female reproductive organs in exquisite detail. At the center of the image, we see the central style, adorned with striking black and orange hues, tapering to a vibrant red and white tip. This slender structure leads to the sponge-shaped stigma, which is covered in tiny hairs on its underside. These hairs play a crucial role in preventing self-pollination by trapping pollen grains from their own plant. The stamens are fused together below into a tube-like structure but feature free tubular filaments at their ends. These filaments lead to dark anthers that contain pollen sacs. In this image, some of these sacs have split open, releasing their precious cargo of red pollen grains. With a magnification factor of x5 when printed 10 centimeters wide, this print allows us to appreciate the remarkable complexity and diversity found within plants' reproductive structures. It serves as both an artistic representation and scientific documentation of botany's wonders. Captured by Science Photo Library using advanced microscopy techniques, this image showcases not only nature's beauty but also highlights important concepts in biology such as cell biology, cytology, histology, and angiosperm reproduction.
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