Water chestnut seed pod. Close-up of a seed pod of the water chestnut (Trapa natans). The seed pod,or nut,of the water chestnut has between two and four sharp spines. It contains a single,fleshy seed (not seen). The water chestnut is an invasive aquatic plant,native to Asia but introduced to many countries. It has rosettes of bright green leaves and small pale flowers | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Psaila, Philippe |
Bildgröße: | 5291 px × 3422 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |