(First upload on June 15 2013. Last on March 4 2023) [ 日本語 | English ]

Ulmus pumila L.

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Imported Ulmus L. (ニレ)
U. americana L. (アメリカニレ)
U. pumila L. (ノニレ)

Ulmus pumila L.

Nonire (ノニレ, 野楡), Siberian elm
Manshunire (マンシュウニレ, 満州楡), Siberian elm
Chinese: 楡/白楡/家楡 (楡科楡属)

Lifeform: deciduous/semi-evergreen tree ≈ 20 m high
Distribution: northern Kashmir - Tibet - central Asia - Mongolia - northern China - eastern Siberia - Korea

imported from China to Japan in Meiji Era

Habitat: dry sites
Bark (樹皮): ridged or plated
Seed dispersal: wind by wing
Use: transplanted on streets and parks, in particular, in Hokkaido
Cultivars and hybrids: many

cv. pendula (中華金叶楡/垂楡 in Chinese)


Ulmus campestris L. var. pumila (L.) Maxim.
Ulmus humilis Amman ex Steud.
Ulmus manshurica Nakai
Ulmus pumila L. var. genuina Skvort.
Ulmus pumila L. var. microphylla Persoon


Elm1 Elm2 Elm3
Elm4 Elm5 Elm6
[1] at the backyard of Faculty of Medicine, Hokkaido University on June 3 2013. [2/3] along Nan hu (南湖) in Changchun City, Jilin Prvince, northeastern China, on June 8 2017. [4-6] on a wasteland along Hokudai Street in N12/W4, North Ward, Sapporo, on November 10 2022. Records: on roadsides along Hokudai Street on September 29 2020.

cv. pendula

Elm1 Elm2 Elm3
[1-3] in the animal and plant park, Changchun City, Jilin Prvince, northeastern China, on June 6 2017. on June 6 2017.

Ulmus americana L.

Amerikanire (アメリカニレ, 亜米利加楡), American elm
Lifeform: deciduous tall tree
Distribution: eastern North America
Habitat: bottomland forests (and others) in the original regions
Cultivars: a few

Elm1 Elm2 Elm3
[1-3] in the Sapporo City Nature Education Park on September 19 2016.