The leaves of Acer henryi are papery, round, 6 to 10 cm in diameter, heart-shaped or nearly heart-shaped, with 5 to 9 palmately divided, usually 7-lobed, lanceolate lobes, sharp front of leaves, sharp serrated edges, 1 /2 or 1 /3 of the diameter of leaves, no villi on the surface of leaves.
The leaves of red maple are simple and alternate, usually clustered at the top of branches. The leaves are palmately deep split. There are 5 to 9 lobes. The cracks are deep to the base of leaves. The lobes are long oval or lanceolate, and the edge of leaves has sharp serrations. The leaves are red in spring and autumn and purple in summer.
Acer henryi has purple flowers, corymbs, total pedicels of 2 to 3 cm, sepals of 5, ovate lanceolate, petals of 5, oval or obovate, apex blunt and round, growing about 2 mm.
Red maple is a corymb, usually terminal inflorescence, is miscellaneous flowers.
