Apricot plum swallow is a woody plant of the Rosaceae family and the Prunus genus, consisting of deciduous small trees. The tree crown is oval shaped. Dry purple brown, with irregular longitudinal stripes, small and dense pores; Large branches straight up and slanting out, thick, light green brown to brown, with strong growth potential; Short internodes. The flowers are extremely dense, with 1-3 flowers growing on medium, short, and bundled branches, and a few on long branches. In the Beijing area, flowers usually bloom in early to mid April, with a shorter flowering period. Flower diameter 1.6-2.2cm; The flower bud is inverted, with no hole in the center, and is water red in color; Floral form, ranging from shallow bowl shaped to butterfly shaped; The color is extremely pale yellow white on both sides, with a slight sprinkling and a light flesh red hue when first opened; Petals, each with 5 petals, transparent.

Jiang Mei (Prunus mume 'Jiang Mei') is a wild plum blossom, also known as wild plum. In ancient times, it was all wild plum and often grew in desolate and cold places by mountain streams and rivers. Later, it was cultivated in transplant gardens. The flowering period of Jiangmei varies from early to late, but there are relatively more early flowering varieties. Some varieties of Jiangmei have smaller petals and longer filaments, which can form a beautiful long haired flower shape. Due to the fact that Jiangmei is derived from the differentiation of fruit plum, many varieties of Jiangmei still retain the habit of fruiting, becoming a plum with both ornamental and edible value.

Jiangnan cinnabar plum is a woody plant of the Rosaceae family and the Prunus genus. Dense, 1-3 flowers grow on various branches, with short internodes; Flowering period: early to late February, flower diameter: 2.8 (2.5-3.2) cm; Flower bud: oval shaped, round at the top, without a hole in the center, deep rose purple red; Floral form: disc-shaped, flat, with about 4 petals, layered sparse butterfly, or slightly tilted backwards when flowering; The color is light purple on the front and dark purple on the back,; Petals: fragmented petals; Sepals: 5-6,5, slightly to strongly recurve; Pedicle: short; Stamens: shorter than or equal to petals, radiating outwards; Pistil: 1-4, sometimes developed, often degenerated.

Mei is a woody plant belonging to the Rosaceae family and the Prunus genus. Small trees, sparse shrubs, 4-10 meters high; The bark is light gray or greenish, smooth; Twigs green, smooth and hairless. The leaves are oval or elliptical in shape, often with small sharp serrations on the edges, and gray green in color. The flowers are solitary or sometimes two flowers grow together in one bud, with a diameter of 2-2.5 centimeters, and have a strong fragrance that blooms before the leaves; The sepals are usually reddish brown, but some varieties have green or green purple sepals; Petals are inverted, white to pink in color. The fruit is nearly spherical, with a diameter of 2-3 centimeters, yellow or green white, covered in soft hairs and has a sour taste; Paste of fruit pulp and core; The nuclear ellipse is slightly flattened on both sides. The flowering period is in winter and spring, and the fruiting period is from May to June.