Acer stenolobum Rehder
(Acer pilosum Maximowicz)

xi lie qi

margin entire, deeply 3 lobed, lobes oblong-lanceolate
apex obtuse, wings spreading at right angle

NE Gansu, SW Nei Mongol, SE Ningxia, N Shaanxi, 1000-1500m

It seemed to me about 7-8m tall.

The image of bark

The images of branches

Three lobes are narrow, and look like the character "T", leaves below are pale green or glaucous.