Deciduous tree, up to 15-20 meters, rough bark, often longitudinally split, gray, sparse dark gray or gray brown. The branchlets are thin, glabrous, green or purple-green, perennial branches gray or light gray, with round lenticels. The winter buds are nearly spherical, with ovoid scales, glabrous on the outside and ciliated at the edges.

The leaf is papery, the base被截断或近心形,出现ance of the leaf is nearly elliptical, 6-8 cm long, 9-11 cm wide, often 5-lobed, sometimes 3-lobed and 7-lobed leaves are born on the same tree Lobes ovate, apex sharp or caudate sharp, entire, the recesses between the lobes are often sharp, reaching the middle of the leaf, dark green above, glabrous, light green below, except on veins or axils It is yellow pubescent, and the rest is glabrous; 5 main veins, conspicuous on the upper side, slightly raised on the lower side, and lateral veins inconspicuous on both sides; petioles are 4-6 cm long, thin and glabrous.