Tree, 25 meters high; bark grayish brown with longitudinal cracks. The 1-year-old branches are light green in spring, and gradually turn yellow and dark yellow in autumn. The 2-year-old trees are golden yellow with smooth bark, and the pinnate compound leaves are 25 cm long. The leaf shafts are initially sparsely pilose, and they are immediately removed. The base of the petiole is enlarged and envelops the bud; the shape of the stipules is variable, sometimes ovate, leaf-shaped, sometimes linear or diamond-shaped, early falling; leaves 6.0-16 alternate, pinnately compound leaves, elliptical, 2.0-5.5 long Cm, smooth, light green, yellow, dark yellow.
Cone-shaped inflorescence, terminal, 25-28 cm long, short pedicel, calyx is bell-shaped, with gray hairs, yellow corolla, with short stalk. Pod, string-like, 2.0-6.0 cm long, 8-12 m in diameter, 2 small bracteoles, shaped like small stipules; calyx is shallow and campanular, the constriction between seeds is not obvious, the seeds are arranged tightly, the skin is fleshy and mature The back does not crack, there are 1-6 seeds, and the seeds are oval. Flowering from May to August, fruiting from August to October.
