(W. C. Cheng)[1] Ulmus bergmanniana var.
(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.
[2] The tree is distinguished by Fu (2002) as having "Leaf blade adaxially with densely curved pubescence.
[3] Flowers and fruits February - April".
lasiophylla is cold hardy; in artificial freezing tests at the Morton Arboretum[5] the LT50 (temp.