Ulmus parvifolia 'Sempervirens'

Ulmus parvifolia

'Sempervirens' at Huntington Botanic Garden, Pasadena, California (circa 1951).
Cultivar 'Sempervirens'
Origin USA

The Chinese Elm cultivar Ulmus parvifolia 'Sempervirens' is an American introduction, commonly known by the synonym 'Evergreen', and may also be in synonymy for U. parvifolia 'Pendens'.

Description

Semi-evergreen to evergreen depending on climate, it is described as having a rounded crown and gracefully arching branches bearing deep-green foliage.

Pests and diseases

The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola .

Cultivation

The tree was first listed by Bailey & Bailey in Hortus Second, 747, 1941,[1] and remains in commercial cultivation in the USA. It is not known to be in cultivation in Europe or Australasia.

Synonymy

Accessions

North America

Nurseries

North America

References

  1. Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus" (PDF). Arnoldia. Arnold Arboretum, Harvard University. 24 (6–8): 41–80. Retrieved 20 June 2016.



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