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Ulmus parvifolia 'UPMTF' is a Chinese Elm cultivar that was found in a field at Moon's Tree Farm, Atlanta, Georgia, in 1993 and raised by Moon's Tree Farm nursery. It was patented in 2000. It is notable for its upright ascending branches.
Ulmus parvifolia 'Emer II' or 'Emerald Vase' is a Chinese Elm cultivar selected by Dr. Michael A. Dirr and cloned in the late 1980s from a tree planted circa 1910 on the University of Georgia campus at Athens, that had survived ice-storms undamaged. It was patented in 1991.
The Chinese Elm cultivar Ulmus parvifolia 'Emer I' or 'Emerald Isle' was cloned from a tree planted circa 1920 on the University of Georgia campus at Athens.
Ulmus parvifolia 'A. Ross Central Park' is a Chinese elm cultivar that is probably the hardiest in cultivation and was patented in 1989 by David F. Karnosky. The original tree, planted c.1873, grew near the entrance to Central Park, at the junction of Fifth Avenue and 72nd Street in the Upper East Side of Manhattan in New York City, and died in the 1990s aged over 100 years. The cloning project was initiated in 1976 by the Arthur Ross Foundation, and executed by the School of Forestry and Wood Products, Michigan Technological University, Houghton.
The Chinese Elm cultivar Ulmus parvifolia 'Drake' was marketed by the Monrovia Nursery of Azusa, California, first appearing in their 1952–1953 catalogue.
The Chinese Elm cultivar Ulmus parvifolia 'Dynasty' is a United States National Arboretum introduction resulting from a controlled crossing of two trees of Korean origin. First described in 1984, it is reputed to be very fast-growing.
The Chinese elm cultivar Ulmus parvifolia 'Chessins' is a compact lacebark elm used in landscaping. Krüssmann (1976) states that it was raised in Japan.
The Chinese Elm cultivar Ulmus parvifolia 'Golden Rey' is an American clone selected by Oklahoma City nurseryman Bruce Rey in the late 1980s from a chance nursery seedling, and patented by him in 1990.
The Chinese Elm cultivar Ulmus parvifolia 'Hallelujah' is one of three American introductions made circa 1992 that were selected for their cold hardiness. 'Hallelujah' is known to have withstood -37 °C (-35 °F) in Missouri. The tree was first listed by the Arborvillage Nursery, Holt, Missouri, in its 1993–1994 catalogue.
The Chinese Elm cultivar Ulmus parvifolia 'Matthew' is one of three American introductions selected for their cold hardiness.
The Chinese Elm cultivar Ulmus parvifolia 'Pathfinder' is another development by A. M. Townsend of the USDA National Arboretum registered in 1990.
The Chinese Elm cultivar Ulmus parvifolia 'Sempervirens' is an American introduction from south China, commonly known by the synonym 'Evergreen'. It was first listed by Bailey & Bailey in Hortus Second, 747, 1941.
The Chinese Elm cultivar Ulmus parvifolia 'Frosty', or 'Frosty' lacebark elm, was intended primarily as a dwarf variegated variety. Krüssmann (1976) states that it was raised in Japan. It was first distributed by the Mitsch Nursery, Oregon, USA.
The Chinese Elm cultivar Ulmus parvifolia 'King's Choice', patented in 1985, is one of the early American selections best known for its winter hardiness, being able to withstand temperatures of -30 degrees Celsius. It was originally selected for its "outstanding growth ".
The Chinese Elm cultivar Ulmus parvifolia 'Glory' is one of the early American selections, best known for its winter hardiness.
The Chinese Elm cultivar Ulmus parvifolia 'Elsmo' was released by the USDA Soil Conservation Service, at Elsberry, Missouri, in 1990 as an open-pollinated, seed-propagated cultivar of extremely variable progeny.
The Chinese Elm cultivar Ulmus parvifolia 'Garden City Clone' was raised in Kansas. The champion tree was 18 m tall in 1993; however, the name 'Garden City Clone' is not officially recognized.
Ulmus parvifolia 'BSNUPF' is a Chinese Elm cultivar, cloned from a chance seedling at Bold Spring Nursery, Bold Spring, Georgia. Patented in 2007, it was raised by John Barbour of Athena Trees, Monroe, Georgia.
The Chinese Elm cultivar Ulmus parvifolia 'Emerald Prairie' was raised by Kansas State University and released in 2004. The tree can reach a height of about 13 m, with a spread slightly less at approximately 12 m. It is distinguished by its superior foliar quality. The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola. 'Emerald Prairie' is also noted for its resistance to black spot. 'Emerald Prairie' has yet to be grown beyond North America.
Ulmus parvifolia, commonly known as the Chinese elm or lacebark elm, is a species native to eastern Asia, including China, India, Japan, Korea, and Vietnam. It has been described as "one of the most splendid elms, having the poise of a graceful Nothofagus".
References
- ↑ "Elms". Archived from the original on 2006-11-14. Retrieved 2007-02-01.
- 1 2 3 Lacebark elm tree named 'Zettler', US Patents, USPP10846P
- ↑ Photographs and description of U. parvifolia 'Zettler', plants.beechwood-gardens.com
- ↑ "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.
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