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The main ornamental tree species of evergreen leaves are (Berberis purpurea), (Prunus purpurea), (Prunus purpurea), (Acer formosana) and so on.
Autumn leaf tree: any tree whose leaves can change significantly in autumn is called "autumn leaf tree". Like maple, yellow.
Constant color leaf tree: some tree varieties or variants become different colors all year round, so they don't have to wait for autumn. They are specially called constant color leaf trees.
Spring leaf trees: trees with significantly different leaf colors of new tender leaves in spring are collectively referred to as "spring leaf trees".
Bicolor leaf tree: some tree species, whose leaf back is significantly different from the color of leaf surface, form a special flickering change effect in the breeze. This kind of tree species is specially called "bicolor leaf tree". Such as silver poplar and Elaeagnus.