Acer yui is an uncommon Asian species of maple. It has been found only in Gansu and Sichuan Provinces in western China.Flora of China, Acer yui W. P. Fang, 1966. 川甘枫 chuan gan feng
Acer yui is a small deciduous tree up to 7 meters tall with gray bark. Leaves are non-compound, up to 7 cm wide to 2.5 cm across, thin, with 3 lobes but no teeth. It is visually similar to Acer buergerianum.
References
External links line drawing for Flora of China