Japanese knotweed (Fallopia japonica,syn. Reynoutria japonica) foliage. This plant was introduced to Europe from Asia in the mid-19th century as an ornamental and fodder plant. It has since become an invasive species in the UK. The plant has an extensive rhizome (system that can reach a depth of 3 metres beneath the ground. Very tiny pieces of rhizome are capable of producing roots. In Europe,the plants are all female and so reproduction is asexual | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wheeler, Dr. Keith |
Taille de l’image : | 4368 px × 2912 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |