Scots pine (Pinus sylvestris) female cone. Light micrograph of a section through a female cone from a Scot's pine tree,showing the woody ovuliferous scales (red) and bract scales (green). Two ovules (green) are produced side by side on the upper surface of the ovuliferous scale. Each arises as a group of cells that forms a rounded hump of tissue called the nucellus (purple-blue). Magnification: x2 when printed 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 3860 px × 4996 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |