Ulmus parvifolia 'UPMTF' (selling name Bosque) 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.[2]

Ulmus parvifolia 'UPMTF'
Bosque, Oklahoma City National Memorial, North Robinson Avenue, Oklahoma City[1]
SpeciesUlmus parvifolia
Cultivar'UPMTF' = Bosque
OriginUS

Description

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Rarely exceeding 6 metres (20 ft) in height, Bosque has a single central leader and strong ascending branches forming a pyramidal crown. The leaves are a lustrous dark green, turning yellow to orange in autumn. The mottled bark ranges from greyish orange to greyish brown. The tree is reputed to be very fast growing.[3][2]

Pests and diseases

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The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the elm leaf beetle Xanthogaleruca luteola.[4]

Cultivation

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An avenue of Bosque lines Purdue Mall, Purdue University, West Lafayette, Indiana.[5] Bosque lines the north side of Jackson Avenue, Corvallis, Oregon, east of 9th Street.[2][6] Lines of Bosque and Allee in North Robinson Avenue and North Harvey Avenue, Oklahoma City, flank the Oklahoma City National Memorial.[1]

In Europe, four 'UPMTF' were planted in Molenmeent, Loosdrecht, the Netherlands, in 2017, as part of Wijdemeren City Council's elm collection.

Etymology

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Acronym of Ulmus Parvifolia Moon Tree Farm.

Accessions

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North America
  • Bartlett Tree Experts, US. Acc. nos. 2003925/6

Nurseries

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North America

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(Widely available)

Europe

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  • Van Den Berk (UK) Ltd., , London, UK

References

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  • [dead link] Ulmus parvifolia cultivar list, ces.ncsu.edu
  • Archived 2003-04-13 at the Wayback Machine Return of the Elm - the status of elms in the nursery industry in 2000. Warren, K., J. Frank Schmidt and Co., fletcher.ces.state.nc.us
  • Bosque elm factsheet, shademakertrees.com