closeup of a caucasian wingnut tree during autumn season, beautiful golden and green leaves, hanging catkins, seasonal nature

asia asian autumn background beautiful botanic botanical botany catkin catkins caucasian closeup colorful eurasia eurasian exotic fall flowering foliage forest fraxinifolia gold golden green hanging juglandaceae leaf leaves nature nut nuts plant plants pterocarya reproduction reproductive season seasonal seed seeds specie species tree trees tropical walnut wing wingnut wingnuts woods yellow