plant morphology
Deciduous shrub, 1.5 ~ 4m high. Spiny, young branches are densely covered with silvery white or yellowish brown scales, sometimes all covered with dark brown or rusty scales, old branches are grayish brown, and all scales fall off. Leaves alternate, petiole 5 ~ 7 mm long; The leaves are elliptic, ovoid or obovate-lanceolate, 3-8 cm long and1.5-3-8 cm wide. The apex is blunt or tapering, and the base is round or wedge-shaped, with the whole edge or shriveled to undulate. When young, there are white stellate hairs or scales on the upper surface, which fall off later, and the lower surface is densely covered with silvery white or brown scales. The first leaves of flowers are yellow and white, fragrant, densely covered with silver scales. 1 ~ 7 flowers are clustered at the base of new branches, solitary or paired in the axils of young leaves; Pedicel length 3 ~ 6 mm; Calyx is cylindrical, 5 ~ 7 mm long, spreading under the lobes, narrowing to the base and contracting on the ovary; Sepals 4, ovate-triangular, apex pointed, inner surface subglabrous or sparsely white stellate pubescent; Stamens 4, filaments extremely short; Style sparsely white pubescent and scaly, ca. 7 mm long, stigma lateral. The fruit is nearly spherical or ovoid, about 7 mm long, scaly when young, red when mature, and the pedicel is 65438 0 cm long. The flowering period is April-May and the fruiting period is July-August.