Ulmus, Camperdown Elm, Umbrella Elm, Weeping Elm 'Camperdownii'

A weeping cultivar of U. x vegeta (U. carpinifolia x U. glabra), according to Hortus III.

This is most often grafted on a ...Read More6-7' understock, usually U. americana in the US and U. carpinifolia in Europe, according to Dirr.

Dirr also says that most plants in the US labeled 'Camperdownii' are actually a different cultivar, 'Horizontalis'.
'Horizontalis' has large crops of fruit, 'Camperdownii' does not.

You can read the Marianne Moore poem here: http://www.echonyc.com/~parks/books/treetrailsppk.html

A Camperdown elm was brought from Scotland and planted in Prospect Park in Brooklyn in 1872. It is this tree which was immortalized by p...Read Moreoet Marianne Moore. This specimen has been completely undamaged by Dutch elm disease.

It was in 1640 that the "Earl of Camperdown", in Dundee Scotland, noticed a branch growing on the floor of his elm forest. He grafted it ...Read Moreto a scotch elm tree and it took hold producing the first Camperdown Elm. The scotch elm is the only root mass that the Camperdown will grow on. The tree is a mutant and cannot self reproduce. Every Camperdown Elm tree in the world is a part of the original that must be grafted to a scotch elm tree to get started. When the graft starts to grow, the scotch elm branches are cut off leaving only the Camperdown Elm. This magnificent tree depends on humankind to keep it alive as a species.