Ulmus parvifolia 'Sempervirens'
Elm cultivar
From Wikipedia, the free encyclopedia
The Chinese elm cultivar Ulmus parvifolia 'Sempervirens' is an American introduction from south China,[1] commonly known by the synonym 'Evergreen'. It was first listed by Bailey & Bailey in Hortus Second, 747, 1941.[2]
| Ulmus parvifolia 'Sempervirens' | |
|---|---|
'Sempervirens' at Huntington Botanic Garden, Pasadena, California (circa 1951). | |
| Species | Ulmus parvifolia |
| Cultivar | 'Sempervirens' |
| Origin | US |
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.[3]
Cultivation
Synonymy
- Ulmus parvifolia 'Evergreen': Plant Buyer's Guide, ed. 5, 253, 1949.
- Ulmus parvifolia 'Pendens', possible synonym.[4]
- Ulmus parvifolia sempervirens 'True Green': Monrovia Nursery Catalogue, 1971.
Accessions
North America
- Bartlett Tree Experts, North Carolina, US. Acc. no. 1451
- Brooklyn Botanic Garden Archived 2016-02-01 at the Wayback Machine, New York, US. Acc. no. X00486.
Nurseries
North America
- C J Growers, San Diego, California, US.
- ForestFarm , Williams, Oregon, US. (as 'Evergreen').
- Monrovia Nursery , Azusa, California, US.
