White wax Luogen fixed dry: yellowish brown, rough, glabrous or sparsely pilose, immediately bald, with small lenticels and not obvious. The pinnate compound leaf is 15-25 cm long; the petiole is 4-6 cm long, the base is not thickened; the leaf shaft is straight, the upper surface is shallow, and it is initially sparsely pilose and immediately bald; 5-7 small leaves, hard paper Quality, ovate, obovate oblong to lanceolate, 3-10 cm long, 2-4 cm wide, terminal lobules and lateral lobules approximately equal or slightly larger, apex acute to acuminate, base Obtuse or wedge-shaped, with neatly serrated leaf margins, glabrous on the top, glabrous on the bottom or sometimes white pilose along the sides of the midrib, the midrib is flat on the top, 8-10 pairs of lateral veins, convex underneath, and fine veins on both sides Convex, with obvious net knots; petiole 3-5 mm long.

Panicles terminal or axillary branch tips, 8-10 cm long; peduncle 2-4 cm long, glabrous or pilose, smooth, without lenticels; flowers are dioecious; male flowers are dense, calyx is small, campanulate , about 1 mm long, without a corolla, anthers are nearly as long as filaments; female flowers are separated, calyx large, barrel-shaped, 2-3 mm long, 4-lobed, style slender, stigma 2-lobed. Samaras are spoon-shaped, 3-4 cm long, 4-6 mm wide, the upper and middle part is widest, the tip is sharp, often plow-shaped, the base is tapered, the wings are flat, extending down to the middle of the nut, the nut is cylindrical, approximately long 1.5 cm; the persistent calyx is close to the base of the nut, often open on one side deeply. Flowering period from April to May, fruit period from July to September.