(First upload on June 15 2013. Last on December 23 2016) [ 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
[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.

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.