Table 1.

The morphological characteristics of street trees.

Street Trees Species	Morphological Characteristics
Sophora japonica	A deciduous tree, up to 25 m, trunk straight, crown wide, bark gray-brown and longitudinally striate; pinnately compound, dark green leaves in summer and yellow withered in late autumn.
Ginkgo biloba	A deciduous tree, up to 20 m, trunk straight, crown conical, bark grayish brown and longitudinally fissured; fan-shaped, pale green leaves in summer and golden yellow in autumn.
Platanus acerifolia	A deciduous tree, up to 25 m, trunk straight, crown broadly ovoid, smooth bark light gray and mottled white; broadly ovate, (3 or) 5-lobed, dark green leaves in summer and yellow-brown in autumn.
Koelreuteria paniculata	A deciduous tree, up to 20 m, crown broad and dome-shaped, bark grayish brown to black; pinnately compound, bright green leaves in summer and yellow in autumn; the fruit is orange to pink and reddish-brown, papery seed capsules which somewhat resemble Chinese lanterns in autumn.