The emergent leaves are bronze, turning glossy green in summer, and bright yellow in autumn.

[3] Inner Mongolia, Shanxi, Henan, Hebei, Beijing, Liaoning, isolated locality in North Korea.

[7] 1871: 12 July it was collected by Nikolay Przhevalsky on southern slope of Muni-ula in western part of the Yin Mountains in Inner Mongolia.

[8] 1880: Karl Maximovich published first scientific description of the tree based on the specimens collected by Przhevalsky and Bretschneider.

[10] 1913: Тhe mongolian lime was introduced to commerce in the UK by Harry Veitch at the Coombe Wood Nursery from material collected for him by William Purdom in northern China.