Pterocarya fraxinifolia, commonly known as the Caucasian wingnut, is a deciduous tree native to the Caucasus region and parts of Asia. It can grow up to 30 meters tall and features a broad, spreading crown. The leaves are pinnate, resembling those of the ash tree, and can reach lengths of up to 40 centimeters. This tree produces distinctive winged fruits that are elongated and can be up to 5 centimeters long. Pterocarya fraxinifolia thrives in moist, well-drained soils and is often found near rivers and streams. It is valued for its ornamental qualities and is sometimes used in reforestation efforts.