St Johns wort leaf, light micrograph
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St Johns wort leaf, light micrograph
St Johns wort leaf. Light micrograph of a section through a St Johns wort (Hypericum sp.) leaf. The leafs midrib is at left, with the vascular bundle at its centre. The vascular bundle consists of xylem and phloem tissues, which transport water and carbohydrates around the plant respectively. The layer of cells across top is the upper epidermis (purple), with a palisade mesophyll layer (dark red) beneath it
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Media ID 9195819
© POWER AND SYRED/SCIENCE PHOTO LIBRARY
Dicot Dicotyledon Mesophyll Phloem Stained Tissue Vascular Bundle Xylem Light Micrograph Light Microscope Palisade Section Sectioned St Johns Wort
EDITORS COMMENTS
This print showcases the intricate structure and beauty of a St Johns wort leaf. Taken under a light microscope, the image reveals a section through the leaf, highlighting its various components. At left, we see the midrib of the leaf with its central vascular bundle. This bundle plays a crucial role in transporting water and carbohydrates throughout the plant via xylem and phloem tissues respectively. The upper part of the leaf is adorned by a layer of purple cells known as the upper epidermis, while beneath it lies a dark red palisade mesophyll layer. These layers contribute to the overall strength and function of this botanical wonder. With its white background, this print allows us to focus solely on appreciating nature's design at its finest. The stained sections add depth and detail to our understanding of this dicotyledonous plant species. Whether you are an avid botany enthusiast or simply appreciate natural beauty, this print serves as an exquisite reminder of how intricately structured plants can be. It captures not only scientific interest but also artistic appeal with its vibrant colors and delicate patterns. Displayed proudly in any setting, from classrooms to homes, this Science Photo Library masterpiece invites us into the fascinating world of flora and reminds us that even within seemingly simple leaves lie wonders waiting to be explored.
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