银白杨 (原变种) yin bai yang (yuan bian zhong)

Bark usually gray-white, smooth. Crown broad. Leaves of short branchlets with leaf blade ovate-orbicular or elliptic-ovate, abaxially white tomentose, base broadly cuneate, rounded, rarely minutely cordate or truncate, margin irregularly dentate, teeth asymmetric.

Native in Xinjiang (Ertix He valley); often planted in Gansu, Hebei, Henan, S Liaoning, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi [N Africa, NW Asia, Europe]