Arboretum Zürich to the ground. Inside the group of trees are also powerful green-leaved trees, but also the purple "Fagus sylvatica f. purpurea", and the outer ends form narrow-leaved Beeches. In the summer when the trees are in full leaf, they form a 'tree cathedral', in those shadows reigns a soothing coolness and soft twilight. Since 2006 an open gap in the middle of the group, as the central Beech unfortunately had to be cut. The death of the otherwise durable Beech is also a result of poor soil conditions, which occur on the artificial lake shore bed. Just steps away, there
Dioscorea sylvatica Dioscorea sylvatica Dioscorea sylvatica ("forest elephants foot") is a species of a twining tuberous vine that is native to Africa. It is common and widespread in forest and thicket, throughout the summer rainfall areas of East and Southern Africa. It produces a distinctively flattened caudex, often with lobes that spread out. The creeping shoots grow throughout most of the year, though each will periodically die back and be replaced from the central caudex root stock. In dryer conditions it can become deciduous. The green creeping foliage can reach 4 meters or more in height. It is an extremely widespread and