Matteucia struthiopteris fertile fronds
Numéro d’image : 12445579
| Shuttlecock fern (Ostrich fern), Matteucia struthiopteris, photographed in late Autumn, UK. In the centre foreground, the vertical dark green columns are the newly grown fertile fronds that will produce spores. In the background (white, brown, pale green) are the fading sterile fronds - the typical leaves"" of the fern - that appeared in Spring, now showing their autumn colours. The fertile fronds are similarly made up of leaflets, but these are covered with sporangia, and do not expand beyond the state shown in the picture. Rather, they persist through the winter, eventually turning brown as the spores mature and are released. A native of Europe and E. Asia, M. struthiopteris is unique amongst hardy ferns in forming a permanent stem, like a miniature tree fern. It is an attractive fern for the garden, but may become invasive, spreading by means of underground rhizomes." | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
| Taille de l’image : | 3468 px × 5212 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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