Winter jasmine, also known as golden plum, golden belt, Qingming flower, golden waist and small yellow flower, is a deciduous shrub of Oleaceae. Deciduous shrub, slender branches, arched and drooping growth, more than 2m long. The lateral branches are stout, quadrangular and green. The trifoliate compound leaves are opposite, 2-3 cm long, and the leaflets are oval, smooth and entire. Flowers are solitary in leaf axils, with cup-shaped corolla, bright yellow, 6-lobed at the top, or compound leaves. The flowering period lasts for 50 days from March to May.

Second; Yunnan jasminum giraldii;

Yunnan Jasmine, whose scientific name is Yunnan Jasmine, also known as Ye Yingchun and Yun Yingchun, belongs to Oleaceae.

Evergreen liana shrub with glabrous branchlets, square and shallow margins. The leaves are opposite, 3-lobulated, oblong, lanceolate, the top 1 is larger, the base has short stalks, and the lateral sessile ones are 2 small. Flowers are solitary, pale yellow, with dark spots, petals longer than the tube, often close to the compound petals, and have fragrance. The flowering period is from March to April. Plants have strong germination ability. Evergreen liana shrub Branchlets glabrous, square, with shallow branches. Compound leaves are opposite, the leaves are elliptic and lanceolate, the terminal ones are slightly larger, the base gradually narrows into short stalks, the lateral two branches are small and sessile, and the branches are dark green. Flowers are usually 1 ~ 2, axils of leaves or tops of branchlets, pale yellow, and 2 ~ 4.5 cm in diameter.

To sum up, it is not a factory.