| Ulmus parvifolia 'Yatsubusa' | |
|---|---|
 | |
| Species | Ulmus parvifolia |
| Cultivar | 'Yatsubusa' |
The Chinese Elm cultivar Ulmus parvifolia 'Yatsubusa' is a dwarf variety.
| Ulmus parvifolia 'Yatsubusa' | |
|---|---|
| | |
| Species | Ulmus parvifolia |
| Cultivar | 'Yatsubusa' |
The Chinese Elm cultivar Ulmus parvifolia 'Yatsubusa' is a dwarf variety.
The name is used both to identify a cultivar and as a group name for particularly small-leaved variants specifically raised for bonsai culture . [1] [2]
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]
'Yatsubusa' is the Japanese word for 'dwarf'.
(Widely available)
(Widely available)
Ulmus 'Morton Red Tip' is a hybrid cultivar raised by the Morton Arboretum from an open pollination of Accolade. The tree has occasionally been reported as a hybrid of Accolade with the Siberian Elm Ulmus pumila, an error probably owing to the commercial propagation of the tree by grafting onto U. pumila rootstocks. Tested in the US National Elm Trial coordinated by Colorado State University, Danada Charm averaged a survival rate of 77.5% after 10 years.
The American Elm cultivar Ulmus americana 'Patmore' was selected and raised by R. H. Patmore from a native tree in Brandon, Manitoba, Canada. It may be synonymous with another cultivar from the same source, known as 'Brandon'.
The Chinese Elm cultivar Ulmus parvifolia 'UPMTF' was raised by Moon's Tree Farm nursery, Atlanta, United States.
The Chinese Elm cultivar Ulmus parvifolia 'Burgundy' is a small American development.
The Chinese Elm cultivar Ulmus parvifolia 'Emer II' or 'Emerald Vase' was cloned from a tree planted circa 1910 on the University of Georgia campus at Athens.
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.
The Chinese Elm cultivar Ulmus parvifolia 'Drake' was marketed by the Monrovia Nursery of Azusa, California from 1952–53.
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 Chinese Elm cultivar Ulmus parvifolia 'Frosty' was intended primarily as a dwarf variety.
The Chinese Elm cultivar Ulmus parvifolia 'Geisha' is a dwarf variety.
The dwarf wych elm cultivar Ulmus glabra 'Nana', a very slow growing shrub that with time forms a small tree, is of unknown origin. It was listed in the Simon-Louis 1869 catalogue as Ulmus montana nana. Henry (1913), referring his readers to an account of the Kew specimen in the journal Woods and Forests, 1884, suggested that it may have originated from a witch's broom. It is usually classified as a form of Ulmus glabra and is known widely as the 'Dwarf Wych Elm'. However, the ancestry of 'Nana' has been disputed in more recent years, Melville considering the specimen once grown at Kew to have been a cultivar of Ulmus × hollandica.
The 'dwarf' elm cultivar Ulmus 'Jacqueline Hillier' ('JH') is an elm of uncertain origin. It was cloned from a specimen found in a private garden in Selly Park, Birmingham, England, in 1966. The garden's owner told Hillier that it might have been introduced from outside the country by a relative. Hillier at first conjectured U. minor, as did Heybroek (2009). Identical-looking elm cultivars in Russia are labelled forms of Siberian Elm, Ulmus pumila, which is known to produce 'JH'-type long shoots. Melville considered 'JH' a hybrid cultivar from the 'Elegantissima' group of Ulmus × hollandica. Uncertainty about its parentage has led most nurserymen to list the tree simply as Ulmus 'Jacqueline Hillier'. 'JH' is not known to produce flowers and samarae, or root suckers.
The Chinese Elm cultivar Ulmus parvifolia 'Seiju' is a dwarf variety, a sport of 'Hokkaido'.
The putative American elm cultivar Ulmus americana 'Burgoyne' was grown at the Arnold Arboretum until removed in 1988. The tree was raised from seeds of the Burgoyne Elm, grown for the town of Weston, Massachusetts, in 1965. The name of the tree was first noted in records of the Plant Sciences Data Center of the American Horticultural Society, but is not formally recognized as a valid cultivar.
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.
The Chinese Elm cultivar Ulmus parvifolia 'Stone's Dwarf' was commercially released in the US in 1978.
The Chinese Elm cultivar Ulmus parvifolia 'Select 380' was tested in the United States for cold-hardiness. The name is considered invalid by some for want of fuller description.
The Siberian elm cultivar Ulmus pumila 'Dwarf Weeper' was discovered in a western Illinois garden and sold by the Arborvillage Nursery Holt, Missouri.
The Chinese Elm cultivar Ulmus parvifolia 'Nire-keyaki' is a dwarf variety principally used for bonsai.
The Chinese Elm cultivar Ulmus parvifolia 'Lois Hole' is a dwarf variety cloned from 'Frosty'.
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