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Ulmus rubra, photographed by an iNaturalist contributor
(c) Zihao Wang, some rights reserved (CC BY), uploaded by Zihao Wang · CC BY
#667 most planted

Ulmus rubra

Slippery elm · also Red elm, Gray elm, Soft elm

Deciduous
710
trees mapped
0.01%
of all named trees
11
cities
8.0 in
median trunk (20 cm, 666 measured)

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Ulmus rubra, commonly known as slippery elm or red elm, is a deciduous tree native to eastern North America. It is found from southeastern Canada down to the central and eastern United States. This species is closely related to the European wych elm.

Where it grows

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

  1. Toronto · Canada
    338—4.7 in
  2. Ottawa · Canada
    96—7.5 in
  3. Quebec City · Canada
    85—13 in
  4. Boston · United States
    63—19 in
  5. Kingston · Canada
    45—16 in
  6. Vancouver · Canada
    32—14 in
  7. Montreal · Canada
    20—13 in
  8. New York City · United States
    14—11 in
  9. Halifax · Canada
    8—18 in
  10. Longueuil · Canada
    5—18 in
  11. Amsterdam · Netherlands
    4——

No city in this list records planting dates for this species, so age is blank throughout.

Traits

Foliage
Deciduous

Trunk diameters across every city: median 8.0 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.

Temperate Broadleaf & Mixed Forests

  • Eastern Canadian Forest-Boreal transition
  • Mississippi lowland forests

Other Ulmus in the catalogue

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

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