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Ulmus parvifolia, photographed by an iNaturalist contributor
(c) Reid Hardin, some rights reserved (CC BY), uploaded by Reid Hardin · CC BY
#78 most planted

Ulmus parvifolia

Chinese elm · also Lacebark elm

Broadleaf
28,204
trees mapped
0.27%
of all named trees
23
cities
9.0 in
median trunk (23 cm, 27,082 measured)
29 yr
median age (52% have a planting date)

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Ulmus parvifolia, also known as Chinese elm, features a graceful, arching canopy with small leaves that turn golden yellow in fall. Its distinctive bark peels in a patchwork of gray, orange, and brown. This highly adaptable and urban-tolerant tree grows at a moderate rate, providing ample shade and demonstrating resilience against pests and diseases.

Where it grows

Trees in each city's inventory, with the share of that city's named trees this species accounts for.

  1. Los Angeles · United States
    11,58435 yr15 in
  2. New York City · United States
    4,120—8.0 in
  3. Washington, DC · United States
    4,08812 yr8.2 in
  4. San Francisco · United States
    1,893—8.0 in
  5. Taipei · Taiwan
    1,298—9.2 in
  6. Tempe · United States
    1,188—4.0 in
  7. Toronto · Canada
    1,150—14 in
  8. Tokyo · Japan
    811—7.9 in
  9. Melbourne · Australia
    697—3.8 in
  10. Boston · United States
    626—4.0 in
  11. Burlington, ON · Canada
    2873.8 yr2.0 in
  12. Montreal · Canada
    12641 yr14 in
  13. Denver · United States
    123—3.0 in
  14. Mississauga · Canada
    118—2.0 in
  15. Amsterdam · Netherlands
    237.8 yr5.9 in
  16. Moncton · Canada
    21—3.9 in
  17. Ottawa · Canada
    19—8.3 in
  18. Paris · France
    14—2.5 in
  19. Halifax · Canada
    8—9.3 in
  20. Burlington · United States
    4—7.5 in
  21. Quebec City · Canada
    3—5.1 in
  22. Ajax · Canada
    2—12 in
  23. Kingston · Canada
    1—12 in

Traits

Form
Broadleaf
Mature height
40–60 ft
Canopy spread
50–70 ft
Growth rate
Fast
Water needs
Moderate
Pollution tolerance
High
Blooms
Jun, Jul, Aug, Sep, Oct, Nov

Trunk diameters across every city: median 9.0 in, mean 11 in, 90th percentile 21 in. Measured at breast height, as published by each inventory.

Native range

Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.

Tropical & Subtropical Moist Broadleaf Forests

  • Nansei Islands subtropical evergreen forests
  • South China-Vietnam subtropical evergreen forests
  • South Taiwan monsoon rain forests

Temperate Broadleaf & Mixed Forests

  • Central China Loess Plateau mixed forests
  • Central Korean deciduous forests
  • Southern Korea evergreen forests

Other Ulmus in the catalogue

28 of the top 2,000 species are in this genus.

Counts exclude rows with no species recorded. Descriptions and traits are compiled from Wikipedia, Plants of the World Online, GBIF and SelecTree and may contain errors; photos are from iNaturalist under the licence shown. Get the underlying data.

Interested in talking trees? arborary.world@gmail.comTree data © the respective municipal publishers and © OpenStreetMap contributors (ODbL).