Dracaena draco stem. Light micrograph of a section through the stem of a young dragon tree (Dracaena draco). Shown here is an outer ring of vascular bundles,containing phloem (blue) and xylem (red),surrounded by thick-celled parenchyma (red). Magnification: x13 when printed 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 5125 px × 3417 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |