Davis' knotweed shoots (Polygonum davisiae) emerging from thawed ground. The young leaves are protected by red ochreae (fused stipules). These are protective organs which fall off as the plant grows. Photographed on a mountain in the USA,in July | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gibbons, Bob |
Taille de l’image : | 4961 px × 3508 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |