Yes, there are such things as orange trees.
Information about the evergreen trees, originally from Southeast Asia, that bear the many types of fruit we call Oranges, is well-covered in the link below.
There are also trees which have leaves with orange coloring all year, and deciduous trees which have leaves that turn orange, among other colors, as the weather cools and the leaves become ready to drop ahead of winter.
Orange trees.
Maple trees are known for turning orange in the fall.
Trees manufactures orange.
Orange trees are most subject to sudden frost exposure.
A grove of orange trees.
No, these trees are evergreens.
Orange trees in most cultures symbolises fertility.
orange trees
.
A grove of orange trees.
Orange trees typically grow to be around 20 to 30 feet tall.
Orange and Banana Trees.