pterocarya tonkinensis (tonkin wingnut, pterocarya stenoptera). this tree is of the juglandaceae or walnut family

ash blooming blossom tree botanical branch catkin caucasian walnut wingnut chinese clusters deciduous dense detail drooping ears environment flora flow flower foliage forest freshness green hang icicles inflorescence japanese juglandaceae juglans fraxinifolia landscape meadow monoecious pinnate leaves plant pterocarya hupehensis stenoptera tonkinensis stem striped summer tonkin transparent twig wild winged fruit yue nan feng yang