Stemless carline thistles (Carlina acaulis). This plant can be used to help forecast the weather. The dried flowers respond to the amount of humidity in the air and can be used as hygrometers. The flower closes at the approach of rain | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Petriglia, Bruno |
Bildgröße: | 3255 px × 4460 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |