1、 Leaf difference

Acer henryi leaves are papery, round, with a diameter of 6 to 10 cm. The base is heart-shaped or nearly heart-shaped and thinly truncated. There are 5 to 9 palmately divided, usually 7-lobed. The lobes are lanceolate. The front end of the leaves is sharp, and the edges have sharp serrations. The depth of the lobes reaches 1 / 2 or 1 / 3 of the leaf diameter, and there is no villus on the leaf surface

The leaves of red maple are single and alternate, usually clustered at the top of branches. The leaves are palmately deep divided, with 5 to 9 lobes, the crack depth reaches the leaf base, the lobes are long oval or lanceolate, and the leaf edges have sharp serrations. The leaves are red in spring and autumn and purplish red in summer

2、 Flower difference

Acer henryi has purple flowers, corymbose inflorescence, total pedicel length of 2 to 3 cm, sepals of 5, ovate lanceolate, petals of 5, elliptic or obovate, blunt and round apex, about 2 mm long

Red maple is a corymbose inflorescence. The inflorescence is usually terminal and is a miscellaneous flower