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
Nyssa sylvatica long stalk and a rich source or nectar for bees. They are often dioecious so a male and female tree in proximity is required to set seed, however, many trees are also polygamo-dioecious, which means they have both male and female flowers on the same tree. The fruit is a black-blue, ovoid stone fruit, about 10 mm long with a thin, oily, bitter-to-sour tasting flesh and very popular with small bird species. There are from one to three fruits together on a long slender stalk. They are a valuable energy food for birds, especially the American robin. "Nyssa sylvatica" forms