pterocarya fraxinifolia in park in summer. romantic trees. green leaves in garden. characteristic fruits of caucasian wing nut.

pterocarya fraxinifolia hang deciduous stem lapina flow decorative forest detail natural spring wood seed growth nut exotic long caucasian season leaves juglandaceae tree green background walnut outdoor leaf nature park catkins summer branch pinnate fresh blossom garden environment blooming foliage flower striped cottage twig ornamental botany catkin plant romantic trees characteristic fruits wingnut wing summer trees garden nut