Oleander leaf, light micrograph
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Oleander leaf, light micrograph
Oleander leaf. Light micrograph of a section through the leaf of an oleander (Nerium oleander) tree, showing its sunken stomata (gaps, centre left and right). Oleander is a xerophyte - a plant that is adapted to survive in arid conditions. The outer epidermis of the leaf is covered with a thick cuticle on both surfaces. Under this there are several layers of palisade mesophyll containing numerous chloroplasts. The lower epidermis has hollows full of hairs and stomata (pores) to cut down on water loss. Above the lower epidermis is a spongy mesophyll layer. At centre is midrib containing the phloem vessels that carry sugar, and xylem vessels that carry water and minerals. Magnification: x37 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6338147
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Adapted Cell Biology Chloroplast Cuticle Cytological Cytology Dicot Dicots Dicotyledon Dicotyledons Epidermis Histological Histology Layer Layers Microscopy Mid Rib Nerium Oleander Palisade Mesophyll Spongy Mesophyll Stain Stained Structural Structures Tissue Vessels Water Loss Xerophyte Xerophytic Xylem Vessels Cells Light Micrograph Light Microscope Oleander Section Sectioned
EDITORS COMMENTS
This print showcases the intricate structure of an oleander leaf under a light microscope. The image reveals the adaptability of this xerophytic plant, which has evolved to thrive in arid conditions. The outer epidermis of the leaf is coated with a thick cuticle on both surfaces, providing protection against water loss. Numerous chloroplasts are densely packed within several layers of palisade mesophyll, responsible for photosynthesis. The lower epidermis features hollows filled with hairs and stomata (pores) that help regulate transpiration. The central focus of the image is the midrib, housing phloem vessels that transport sugars and xylem vessels responsible for carrying water and minerals throughout the plant's system. This microscopic view offers valuable insights into the biological intricacies underlying oleander's survival mechanisms. The white background emphasizes each cell layer and structure present in this botanical wonder. With a magnification factor of 37 when printed at 10 centimeters wide, this photograph allows us to appreciate nature's incredible detail at a closer look. This stunning visual representation not only serves as an educational tool for botany enthusiasts but also highlights the beauty found within even seemingly ordinary plants like nerium oleander. Science Photo Library presents us with yet another remarkable piece showcasing their expertise in capturing scientific wonders through microscopy and histology techniques.
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