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.