Deciduous shrub, 1-3 m high; Young branches are stiff and old branches are hairless. The leaves are oblong to oblong-lanceolate, 2-6 cm long and 0.5-2 cm wide, the tip is sharp to acuminate, the base is blunt to acuminate into a wedge shape, the whole or middle part is pinnately lobed, with 1-4 pairs of coarse teeth, the upper part is dark green, the lower part is green and white, the two sides are fluffy, the veins are densely pilose, and the edges have eyelashes; The petiole is 2-4 mm long, and the base is swollen and connected in pairs, which is bristles. Flowers solitary in leaf axils on branchlets, without total pedicels; Pedicel 5- 10 mm long, with coarse hair; Bracteoles have teeth, teeth 1 long and 2 short, and do not fall off after flowering; Calyx tube is cylindrical, with sparse short bristles, 4 calyx teeth, narrow oval or obovate oblong, about 65438±0cm； long; Corolla white, light yellow or reddish, narrow funnel-shaped or tall, pubescent outside, mixed with backward bristles, 4-lobed, lobes round, tube 3 times as long as lobes, with dense bristles inside; Four stamens, two strong, inserted in the middle of corolla tube, containing, anthers oblong; Ovary 3-loculed, only 1 locule, style about 1 cm, stigma head-shaped. Fruit bristly, crown with 4 persistent and slightly enlarged calyx lobes; The seeds are cylindrical, 4-6 mm long and have fleshy endosperm. It blooms in early spring and bears fruit in August-September.