Ulmus bergmanniana var. lasiophylla

'Ulmus bergmanniana'' var. lasiophylla''' C. K. Schneid. (Hairy-leaved Bergmann's elm) is endemic to China, on mountain slopes at elevations of 2100–2900 m in Gansu, Shaanxi, north-west Sichuan, south-east Xizang (formerly Tibet), and north-west Yunnan.

Description
The tree is distinguished by Fu (2002) as having "Leaf blade adaxially with densely curved pubescence. Flowers and fruits February - April".

Cultivation
Var. lasiophylla is cold hardy; in artificial freezing tests at the Morton Arboretum the LT50 (temp. at which 50% of tissues die) was found to be - 27.7 °C. There are no known cultivars of this taxon, nor is it known to be in commerce.

North America

 * Chicago Botanic Garden, US. No accession details; planted in West Collections Area.
 * Morton Arboretum, US. Acc. no. 45–95. Collected from the wild at an unrecorded site in China.
 * United States National Arboretum, Washington, D.C., US. Acc. nos. 76218, 68978.

Europe

 * Glendoick Gardens, Perthshire, UK; two trees (2017), source 'SSNY 205'.
 * Grange Farm Arboretum, Lincolnshire, UK. Acc. no. 1057.
 * Royal Botanic Garden Edinburgh, UK. Acc. no. 19933397. Wild collected in Kunming, China, by Gothenburg Expedition.